A336577 - cp's OEIS frontend

A336577 a(n) = Sum_{k=0..n} 2^k * binomial(n,k) * binomial(n^2+k+1,n)/(n^2+k+1).

n	a(n)
0	1
1	3
2	24
3	498
4	18708
5	1055838
6	80682414
7	7829287392
8	924359573112
9	128815914107370
10	20717986773639696
11	3779867347688995698
12	771666206195918154156
13	174345811623642373266360
14	43198501381068549879753648
15	11648965476456962547182140512
16	3396661425137920919866033312752

[1, 3, 24, 498, 18708, 1055838, 80682414, 7829287392, 924359573112, 128815914107370, 20717986773639696, 3779867347688995698, 771666206195918154156, 174345811623642373266360, 43198501381068549879753648, 11648965476456962547182140512, 3396661425137920919866033312752]

cp's OEIS Frontend

A336577 a(n) = Sum_{k=0..n} 2^k * binomial(n,k) * binomial(n^2+k+1,n)/(n^2+k+1).

Table of values

List of values