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.

A385942 a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^5) * binomial(n-1,k) * a(k) * a(n-1-k).

Table of values

n a(n)
0 1
1 1
2 5
3 508
4 497861
5 2554041696
6 47918955042217
7 2608995595530944320
8 350836859825187730934697
9 103472315352121087796983183360
10 61101436986101317921145771113951181
11 67212924933426575369862458525709786073344
12 129898118403746997254471428114728554653243564525

List of values

[1, 1, 5, 508, 497861, 2554041696, 47918955042217, 2608995595530944320, 350836859825187730934697, 103472315352121087796983183360, 61101436986101317921145771113951181, 67212924933426575369862458525709786073344, 129898118403746997254471428114728554653243564525]