cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A376466 a(n) = Sum_{k = 0..n} (-1)^(n+k)*binomial(n, k)*binomial(n+k, k)^2*A108625(n-1, k).

Table of values

n a(n)
0 1
1 3
2 127
3 9435
4 866751
5 89591753
6 9988439203
7 1173951006987
8 143456999185855
9 18063466831218981
10 2329136571942011877
11 306174745758226208537
12 40896708938016175140963
13 5536767359542664588001285
14 758259747093486125157272779
15 104880152366856305370319427435
16 14632959744552362547801104612799

List of values

[1, 3, 127, 9435, 866751, 89591753, 9988439203, 1173951006987, 143456999185855, 18063466831218981, 2329136571942011877, 306174745758226208537, 40896708938016175140963, 5536767359542664588001285, 758259747093486125157272779, 104880152366856305370319427435, 14632959744552362547801104612799]