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.

A335954 a(n) = Numerator(-2*n*HurwitzZeta(1 - 2*n, -1/2)) for n > 0, and a(0) = 1.

Table of values

n a(n)
0 1
1 11
2 127
3 221
4 367
5 -1895
6 1447237
7 -57253
8 118526399
9 -5749677193
10 91546283957
11 -1792042789427
12 1982765468376757
13 -286994504449237
14 3187598676787485443
15 -4625594554880206360895
16 16555640865486520494719
17 -22142170099387402072693
18 904185845619475242495903560731

List of values

[1, 11, 127, 221, 367, -1895, 1447237, -57253, 118526399, -5749677193, 91546283957, -1792042789427, 1982765468376757, -286994504449237, 3187598676787485443, -4625594554880206360895, 16555640865486520494719, -22142170099387402072693, 904185845619475242495903560731]