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.

A200139 Triangle T(n,k), read by rows, given by (1,1,0,0,0,0,0,0,0,...) DELTA (1,0,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A084938.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 1
6 4
7 8
8 5
9 1
10 8
11 20
12 18
13 7
14 1
15 16
16 48
17 56
18 32
19 9
20 1
21 32
22 112
23 160
24 120
25 50
26 11
27 1
28 64
29 256
30 432
31 400
32 220
33 72
34 13
35 1
36 128
37 576
38 1120
39 1232
40 840
41 364
42 98
43 15
44 1
45 256
46 1280
47 2816
48 3584
49 2912
50 1568
51 560
52 128
53 17
54 1
55 512
56 2816
57 6912
58 9984
59 9408
60 6048
61 2688
62 816
63 162
64 19
65 1

List of values

[1, 1, 1, 2, 3, 1, 4, 8, 5, 1, 8, 20, 18, 7, 1, 16, 48, 56, 32, 9, 1, 32, 112, 160, 120, 50, 11, 1, 64, 256, 432, 400, 220, 72, 13, 1, 128, 576, 1120, 1232, 840, 364, 98, 15, 1, 256, 1280, 2816, 3584, 2912, 1568, 560, 128, 17, 1, 512, 2816, 6912, 9984, 9408, 6048, 2688, 816, 162, 19, 1]