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.

A291260 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of continued fraction 1/(1 - 2^k*x/(1 - 4^k*x/(1 - 6^k*x/(1 - 8^k*x/(1 - 10^k*x/(1 - ...)))))).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 1
7 4
8 12
9 5
10 1
11 8
12 80
13 120
14 14
15 1
16 16
17 576
18 3904
19 1680
20 42
21 1
22 32
23 4352
24 152064
25 354560
26 30240
27 132
28 1
29 64
30 33792
31 6492160
32 99422208
33 51733504
34 665280
35 429
36 1
37 128
38 266240
39 290488320
40 31832735744
41 130292416512
42 11070525440
43 17297280
44 1430

List of values

[1, 1, 1, 1, 2, 2, 1, 4, 12, 5, 1, 8, 80, 120, 14, 1, 16, 576, 3904, 1680, 42, 1, 32, 4352, 152064, 354560, 30240, 132, 1, 64, 33792, 6492160, 99422208, 51733504, 665280, 429, 1, 128, 266240, 290488320, 31832735744, 130292416512, 11070525440, 17297280, 1430]