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.

A133366 Triangle T(n,k)read by rows given by [3,1,3,1,3,1,3,1,3,1,3,1,...] 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 3
2 1
3 12
4 7
5 1
6 57
7 43
8 11
9 1
10 300
11 262
12 90
13 15
14 1
15 1686
16 1618
17 667
18 153
19 19
20 1
21 9912
22 10159
23 4745
24 1336
25 232
26 23
27 1
28 60213
29 64783
30 33147
31 10785
32 2333
33 327
34 27
35 1
36 374988
37 418786
38 229726
39 83286
40 21098
41 3722
42 438
43 31
44 1

List of values

[1, 3, 1, 12, 7, 1, 57, 43, 11, 1, 300, 262, 90, 15, 1, 1686, 1618, 667, 153, 19, 1, 9912, 10159, 4745, 1336, 232, 23, 1, 60213, 64783, 33147, 10785, 2333, 327, 27, 1, 374988, 418786, 229726, 83286, 21098, 3722, 438, 31, 1]