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.

A335857 a(n) is the determinant of the n X n Hankel matrix A with A(i,j) = A000108(i+j+6) for 0<=i,j<=n-1.

Table of values

n a(n)
0 1
1 132
2 4719
3 81796
4 884884
5 6852768
6 41314284
7 204951252
8 869562265
9 3245256300
10 10880587575
11 33309352440
12 94307358288
13 249485071616
14 621856804272
15 1470540624696
16 3318218562009
17 7179339254516
18 14955909351383
19 30104651175324
20 58733021049780
21 111358254207200

List of values

[1, 132, 4719, 81796, 884884, 6852768, 41314284, 204951252, 869562265, 3245256300, 10880587575, 33309352440, 94307358288, 249485071616, 621856804272, 1470540624696, 3318218562009, 7179339254516, 14955909351383, 30104651175324, 58733021049780, 111358254207200]