The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A371375

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Place n equally space points around the circumference of a circle and then, for each pair of points, draw two distinct circles, whose radii are the same as the first circle, such that both points lie on their circumferences. The sequence gives the total number of (curved) edges formed.
(history; published version)

#11 by Michael De Vlieger at Fri Mar 22 09:14:33 EDT 2024

STATUS

proposed

#10 by Scott R. Shannon at Fri Mar 22 06:41:21 EDT 2024

STATUS

editing

#9 by Scott R. Shannon at Fri Mar 22 06:36:05 EDT 2024

NAME

Place n equally space points around the circumference of a circle and then, for each pair of those points, draw two distinct circles, whose radii are the same as the first circle, such that both points lie on their circumferences. The sequence gives the total number of (curved) edges formed.

Discussion

Fri Mar 22

06:41

Scott R. Shannon: Submitting A371373, A371374, A371375, A371376, A371377 together.

#8 by Scott R. Shannon at Fri Mar 22 06:32:17 EDT 2024

NAME

edges

#7 by Scott R. Shannon at Thu Mar 21 05:24:09 EDT 2024

DATA

1, 2, 12, 12, 75, 66, 350, 360, 1071, 1150, 2684, 2148, 5603, 5950, 10110, 10928, 18309, 16830, 29564, 30500, 44961, 46882, 66746, 64872, 95125, 97786, 131112, 135156, 177567, 169770, 235042, 240928, 304359, 312086, 389340, 388764, 491175, 503158, 610662, 624280

#6 by Scott R. Shannon at Thu Mar 21 02:29:38 EDT 2024

DATA

1, 2, 12, 12, 75, 66, 350, 360, 1071, 1150, 2684, 2148, 5603, 5950, 10110, 10928, 18309, 16830, 29564, 30500, 44961, 46882, 66746, 64872, 95125, 97786, 131112, 135156, 177567, 169770

#5 by Scott R. Shannon at Wed Mar 20 07:40:23 EDT 2024

DATA

1, 2, 12, 12, 75, 66, 350, 360, 1071, 1150, 2684, 2148, 5603, 5950, 10110, 10928, 18309, 16830, 29564, 30500, 44961, 46882, 66746, 64872, 95125

#4 by Scott R. Shannon at Wed Mar 20 07:33:26 EDT 2024

COMMENTS

#3 by Scott R. Shannon at Wed Mar 20 06:50:44 EDT 2024

CROSSREFS

Cf. A371373 (vertices), A371374 (regions), A371376 (k-gons), A371377 (vertex crossings), A371254, A007569, A358746, A331702.

#2 by Scott R. Shannon at Wed Mar 20 06:16:05 EDT 2024

NAME

allocated for Scott R. Shannon

DATA

OFFSET

FORMULA

CROSSREFS

KEYWORD

allocated

AUTHOR

STATUS

approved