A255393 - OEIS

A255393

Numbers n such that the partitions for A241216(n) are unique.

1, 2, 3, 7, 9, 27, 40, 53, 81, 88, 122, 143, 145, 161, 232, 243, 364, 391, 395, 397, 413, 415, 431, 433, 485, 729, 736, 772, 1013, 1021, 1049, 1063, 1067, 1094, 1187, 1189, 1205, 1207, 1223, 1225, 1241, 1243, 1295, 1297, 1457, 1864, 1868, 1888, 1916, 1936, 2060, 2068, 2072, 2144, 2164, 2180, 2187, 2194

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Numbers n such that A255399(n) = 1.

All powers of 3 are terms.

Terms >= 53 are subject to the condition that including non-optimal partitions in the splitting scheme described in A241216 does not give more optimal partitions for the terms given.

LINKS

Table of n, a(n) for n=1..58.

CROSSREFS

Cf. A255399: the number of rules for n.

Sequence in context: A207643 A205488 A299437 * A248037 A123481 A107861

Adjacent sequences: A255390 A255391 A255392 * A255394 A255395 A255396

KEYWORD

nonn,hard

AUTHOR

Joerg Arndt, Feb 22 2015

STATUS

approved