The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A000081

(Bold, blue-underlined text is an ; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

Number of unlabeled rooted trees with n nodes (or connected functions with a fixed point).
(history; published version)

#352 by Alois P. Heinz at Fri Oct 27 18:20:42 EDT 2023

STATUS

reviewed

#351 by Andrew Howroyd at Fri Oct 27 18:17:46 EDT 2023

STATUS

proposed

#350 by Jon E. Schoenfield at Fri Oct 27 18:16:21 EDT 2023

STATUS

editing

#349 by Jon E. Schoenfield at Fri Oct 27 18:16:17 EDT 2023

LINKS

N. J. A. Sloane and Robert G. Wilson v, <a href="/A000081/b000081.txt">Table of n, a(n) for n = 0..1000</a> (first 201 terms from N. J. A. Sloane)

STATUS

approved

#348 by Hugo Pfoertner at Fri May 12 12:45:28 EDT 2023

STATUS

proposed

#347 by Michael De Vlieger at Fri May 12 12:43:13 EDT 2023

STATUS

editing

#346 by Michael De Vlieger at Fri May 12 12:43:10 EDT 2023

LINKS

STATUS

approved

#345 by Alois P. Heinz at Thu Mar 23 19:28:50 EDT 2023

STATUS

proposed

#344 by Andrew Howroyd at Thu Mar 23 18:42:04 EDT 2023

STATUS

editing

#343 by Andrew Howroyd at Thu Mar 23 18:23:26 EDT 2023

CROSSREFS

Column k=1 of A033185 and A034799, A008295(n,0).

STATUS

proposed