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.

A133367 Triangle T(n,k) read by rows given by [2,1,2,1,2,1,2,1,2,1,2,1,...] DELTA [1,0,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938 .

Table of values

n a(n)
0 1
1 2
2 1
3 6
4 5
5 1
6 22
7 23
8 8
9 1
10 90
11 107
12 49
13 11
14 1
15 394
16 509
17 276
18 84
19 14
20 1
21 1806
22 2473
23 1505
24 556
25 128
26 17
27 1
28 8558
29 12235
30 8100
31 3429
32 974
33 181
34 20
35 1
36 41586
37 61463
38 43393
39 20355
40 6713
41 1557
42 243
43 23
44 1

List of values

[1, 2, 1, 6, 5, 1, 22, 23, 8, 1, 90, 107, 49, 11, 1, 394, 509, 276, 84, 14, 1, 1806, 2473, 1505, 556, 128, 17, 1, 8558, 12235, 8100, 3429, 974, 181, 20, 1, 41586, 61463, 43393, 20355, 6713, 1557, 243, 23, 1]