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.

A155112 Triangle T(n,k), 0<=k<=n, read by rows given by [0,2,-1/2,-1/2,0,0,0,0,0,0,0,0,...] 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 0
2 1
3 0
4 2
5 1
6 0
7 3
8 4
9 1
10 0
11 5
12 10
13 6
14 1
15 0
16 8
17 22
18 21
19 8
20 1
21 0
22 13
23 45
24 59
25 36
26 10
27 1
28 0
29 21
30 88
31 147
32 124
33 55
34 12
35 1
36 0
37 34
38 167
39 339
40 366
41 225
42 78
43 14
44 1
45 0
46 55
47 310
48 741
49 976
50 770
51 370
52 105
53 16
54 1
55 0
56 89
57 566
58 1557
59 2422
60 2337
61 1443
62 567
63 136
64 18
65 1
66 0
67 144
68 1020
69 3174
70 5696
71 6505
72 4920
73 2485
74 824
75 171
76 20
77 1

List of values

[1, 0, 1, 0, 2, 1, 0, 3, 4, 1, 0, 5, 10, 6, 1, 0, 8, 22, 21, 8, 1, 0, 13, 45, 59, 36, 10, 1, 0, 21, 88, 147, 124, 55, 12, 1, 0, 34, 167, 339, 366, 225, 78, 14, 1, 0, 55, 310, 741, 976, 770, 370, 105, 16, 1, 0, 89, 566, 1557, 2422, 2337, 1443, 567, 136, 18, 1, 0, 144, 1020, 3174, 5696, 6505, 4920, 2485, 824, 171, 20, 1]