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.

A364113 Square array read by ascending antidiagonals: T(n,k) = [x^k] 1/(1 - x) * Legendre_P(k, (1 + x)/(1 - x))^n for n, k >= 0.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 5
8 19
9 1
10 1
11 7
12 73
13 147
14 1
15 1
16 9
17 163
18 1445
19 1251
20 1
21 1
22 11
23 289
24 5623
25 33001
26 11253
27 1
28 1
29 13
30 451
31 14409
32 235251
33 819005
34 104959
35 1
36 1
37 15
38 649
39 29531
40 908001
41 11009257
42 21460825
43 1004307
44 1
45 1
46 17
47 883
48 52717
49 2511251
50 65898009
51 554159719
52 584307365
53 9793891
54 1

List of values

[1, 1, 1, 1, 3, 1, 1, 5, 19, 1, 1, 7, 73, 147, 1, 1, 9, 163, 1445, 1251, 1, 1, 11, 289, 5623, 33001, 11253, 1, 1, 13, 451, 14409, 235251, 819005, 104959, 1, 1, 15, 649, 29531, 908001, 11009257, 21460825, 1004307, 1, 1, 17, 883, 52717, 2511251, 65898009, 554159719, 584307365, 9793891, 1]