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.

A185425 Bisection of A185424. Numerators of even-indexed generalized Bernoulli numbers associated with the zigzag numbers A000111.

Table of values

n a(n)
0 1
1 1
2 19
3 253
4 3319
5 222557
6 422152729
7 59833795
8 439264083023
9 76632373664299
10 4432283799315809
11 317829581058418253
12 1297298660169509319229
13 696911453333335463719
14 28877308885785768720478751
15 157040990105362922778773747849

List of values

[1, 1, 19, 253, 3319, 222557, 422152729, 59833795, 439264083023, 76632373664299, 4432283799315809, 317829581058418253, 1297298660169509319229, 696911453333335463719, 28877308885785768720478751, 157040990105362922778773747849]