The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A365856 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A365856

Expansion of (1/x) * Series_Reversion( x*(1+x)^2*(1-x)^5 ).
(history; published version)

#20 by Michael De Vlieger at Fri Feb 16 09:52:12 EST 2024

STATUS

proposed

approved

#19 by Seiichi Manyama at Fri Feb 16 09:38:50 EST 2024

STATUS

editing

proposed

#18 by Seiichi Manyama at Fri Feb 16 07:57:50 EST 2024

FORMULA

a(n) = (1/(n+1)) * [x^n] ( 1/( (1+x)^2 * (1-x)^5 )^(n+1). - Seiichi Manyama, Feb 16 2024

#17 by Seiichi Manyama at Fri Feb 16 07:55:23 EST 2024

FORMULA

a(n) = (1/(n+1)) * [x^n] ( 1/(1+x)^2 * (1-x)^5 )^(n+1). - Seiichi Manyama, Feb 16 2024

STATUS

approved

editing

#16 by Michel Marcus at Fri Jan 19 02:13:12 EST 2024

STATUS

reviewed

approved

#15 by Joerg Arndt at Fri Jan 19 00:29:43 EST 2024

STATUS

proposed

reviewed

#14 by Seiichi Manyama at Fri Jan 19 00:21:40 EST 2024

STATUS

editing

proposed

#13 by Seiichi Manyama at Thu Jan 18 21:55:10 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(2*n+k+1,k) * binomial(4*n-2*k+2,n-2*k). - Seiichi Manyama, Jan 18 2024

STATUS

approved

editing

#12 by Michael De Vlieger at Wed Sep 20 16:50:43 EDT 2023

STATUS

reviewed

approved

#11 by Stefano Spezia at Wed Sep 20 15:15:34 EDT 2023

STATUS

proposed

reviewed