The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A215930 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A215930

Number of forests on unlabeled nodes with n edges and no single node trees.
(history; published version)

#37 by OEIS Server at Thu May 11 16:51:15 EDT 2017

LINKS

Alois P. Heinz, <a href="/A215930/b215930_2.txt">Table of n, a(n) for n = 0..650</a>

#36 by Alois P. Heinz at Thu May 11 16:51:15 EDT 2017

STATUS

editing

approved

Discussion

Thu May 11

16:51

OEIS Server: Installed new b-file as b215930.txt.  Old b-file is now b215930_2.txt.

#35 by Alois P. Heinz at Thu May 11 16:51:11 EDT 2017

LINKS

Alois P. Heinz, <a href="/A215930/b215930_2.txt">Table of n, a(n) for n = 0..500650</a>

STATUS

approved

editing

#34 by OEIS Server at Wed May 10 17:13:31 EDT 2017

LINKS

Alois P. Heinz, <a href="/A215930/b215930_1.txt">Table of n, a(n) for n = 0..500</a>

#33 by Alois P. Heinz at Wed May 10 17:13:31 EDT 2017

STATUS

editing

approved

Discussion

Wed May 10

17:13

OEIS Server: Installed new b-file as b215930.txt.  Old b-file is now b215930_1.txt.

#32 by Alois P. Heinz at Wed May 10 17:13:24 EDT 2017

LINKS

Alois P. Heinz, <a href="/A215930/b215930_1.txt">Table of n, a(n) for n = 0..200500</a>

#31 by Alois P. Heinz at Wed May 10 15:10:20 EDT 2017

CROSSREFS

Cf. A000055, A005195, A011782, A051491, A088325, A095133, A105821, A136605.

#30 by Alois P. Heinz at Wed May 10 15:09:30 EDT 2017

CROSSREFS

Cf. A000055, A005195, A011782, A088325, A095133, A105821, A136605.

#29 by Alois P. Heinz at Wed May 10 15:08:23 EDT 2017

MATHEMATICA

SolveAlways[

Drop[Flatten[

CoefficientList[

CROSSREFS

Cf. A000055, A005195, A095133, A105821, A136605.

STATUS

approved

editing

#28 by Joerg Arndt at Tue Nov 11 03:12:43 EST 2014

STATUS

reviewed

approved