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.

A060627 1 + Sum_{n >= 1} Sum_{k = 0..n-1} (-1)^n*T(n,k)*y^(2*k)*x^(2*n)/(2*n)! = JacobiCN(x,y).

Table of values

n a(n)
1 1
2 1
3 4
4 1
5 44
6 16
7 1
8 408
9 912
10 64
11 1
12 3688
13 30768
14 15808
15 256
16 1
17 33212
18 870640
19 1538560
20 259328
21 1024
22 1
23 298932
24 22945056
25 106923008
26 65008896
27 4180992
28 4096
29 1
30 2690416
31 586629984
32 6337665152
33 9860488448
34 2536974336
35 67047424
36 16384

List of values

[1, 1, 4, 1, 44, 16, 1, 408, 912, 64, 1, 3688, 30768, 15808, 256, 1, 33212, 870640, 1538560, 259328, 1024, 1, 298932, 22945056, 106923008, 65008896, 4180992, 4096, 1, 2690416, 586629984, 6337665152, 9860488448, 2536974336, 67047424, 16384]