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.

A043303 Numerator of B(4n+2)/(2n+1) where B(m) are the Bernoulli numbers.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 43867
5 77683
6 657931
7 1723168255201
8 151628697551
9 154210205991661
10 1520097643918070802691
11 25932657025822267968607
12 19802288209643185928499101
13 29149963634884862421418123812691
14 2913228046513104891794716413587449
15 396793078518930920708162576045270521

List of values

[1, 1, 1, 1, 43867, 77683, 657931, 1723168255201, 151628697551, 154210205991661, 1520097643918070802691, 25932657025822267968607, 19802288209643185928499101, 29149963634884862421418123812691, 2913228046513104891794716413587449, 396793078518930920708162576045270521]