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.

A107717 Triangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^((3*p-1)/3)) = (3*p-1)*(column p of T), or [T^((3*p-1)/3)](m,0) = (3*p-1)*T(p+m,p) for all m>=1 and p>=0.

Table of values

n a(n)
0 1
1 3
2 1
3 21
4 6
5 1
6 219
7 57
8 9
9 1
10 2973
11 723
12 111
13 12
14 1
15 49323
16 11361
17 1713
18 183
19 15
20 1
21 964173
22 212151
23 31575
24 3351
25 273
26 18
27 1
28 21680571
29 4584081
30 675489
31 71391
32 5799
33 381
34 21
35 1
36 551173053
37 112480887
38 16442823
39 1732881
40 140529
41 9219
42 507
43 24
44 1

List of values

[1, 3, 1, 21, 6, 1, 219, 57, 9, 1, 2973, 723, 111, 12, 1, 49323, 11361, 1713, 183, 15, 1, 964173, 212151, 31575, 3351, 273, 18, 1, 21680571, 4584081, 675489, 71391, 5799, 381, 21, 1, 551173053, 112480887, 16442823, 1732881, 140529, 9219, 507, 24, 1]