The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A365751

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

Expansion of (1/x) * Series_Reversion( x*(1+x)*(1-x)^3 ).
(history; published version)

#24 by Michael De Vlieger at Fri Feb 16 09:53:45 EST 2024

STATUS

proposed

approved

#23 by Seiichi Manyama at Fri Feb 16 09:34:17 EST 2024

STATUS

editing

proposed

#22 by Seiichi Manyama at Fri Feb 16 07:56:11 EST 2024

FORMULA

a(n) = (1/(n+1)) * [x^n] ( 1/( (1+x) * (1-x)^3 )^(n+1). - Seiichi Manyama, Feb 16 2024

#21 by Seiichi Manyama at Fri Feb 16 07:53:13 EST 2024

CROSSREFS

#20 by Seiichi Manyama at Fri Feb 16 07:52:32 EST 2024

FORMULA

a(n) = (1/(n+1)) * [x^n] ( 1/(1+x) * (1-x)^3 )^(n+1). - Seiichi Manyama, Feb 16 2024

STATUS

approved

editing

#19 by Michel Marcus at Fri Jan 19 02:11:12 EST 2024

STATUS

reviewed

approved

#18 by Joerg Arndt at Fri Jan 19 00:28:33 EST 2024

STATUS

proposed

reviewed

#17 by Seiichi Manyama at Fri Jan 19 00:18:09 EST 2024

STATUS

editing

proposed

#16 by Seiichi Manyama at Thu Jan 18 21:44:46 EST 2024

LINKS

<a href="/index/Res#revert">Index entries for reversions of series</a>

FORMULA

a(n) = (1/(n+1)) * Sum_{k=0..floor(n/2)} binomial(n+k,k) * binomial(3*n-2*k+1,n-2*k). - Seiichi Manyama, Jan 18 2024

STATUS

approved

editing

#15 by Michael De Vlieger at Wed Sep 20 16:50:55 EDT 2023

STATUS

reviewed

approved