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.

A180063 Pascal-like triangle with trigonometric properties, row sums = powers of 4; generated from shifted columns of triangle A180062.

Table of values

n a(n)
0 1
1 1
2 3
3 1
4 4
5 11
6 1
7 7
8 15
9 41
10 1
11 8
12 38
13 56
14 153
15 1
16 11
17 46
18 186
19 209
20 571
21 1
22 12
23 81
24 232
25 859
26 780
27 2131
28 1
29 15
30 93
31 499
32 1091
33 3821
34 2911
35 7953
36 1
37 16
38 140
39 592
40 2774
41 4912
42 16556
43 10864
44 29681
45 1
46 19
47 156
48 1044
49 3366
50 14418
51 21468
52 70356
53 40545
54 110771

List of values

[1, 1, 3, 1, 4, 11, 1, 7, 15, 41, 1, 8, 38, 56, 153, 1, 11, 46, 186, 209, 571, 1, 12, 81, 232, 859, 780, 2131, 1, 15, 93, 499, 1091, 3821, 2911, 7953, 1, 16, 140, 592, 2774, 4912, 16556, 10864, 29681, 1, 19, 156, 1044, 3366, 14418, 21468, 70356, 40545, 110771]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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