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.

A130457 Triangle, read by rows of 3n+1 terms, where row n+1 is generated by taking partial sums of row n and then appending 2 zeros followed by the final term in the partial sums of row n, for n>=0, with T(0,0)=1.

Table of values

n a(n)
0 1
1 1
2 0
3 0
4 1
5 1
6 1
7 1
8 2
9 0
10 0
11 2
12 1
13 2
14 3
15 5
16 5
17 5
18 7
19 0
20 0
21 7
22 1
23 3
24 6
25 11
26 16
27 21
28 28
29 28
30 28
31 35
32 0
33 0
34 35
35 1
36 4
37 10
38 21
39 37
40 58
41 86
42 114
43 142
44 177
45 177
46 177
47 212
48 0
49 0
50 212
51 1
52 5
53 15
54 36
55 73
56 131
57 217
58 331
59 473
60 650
61 827
62 1004
63 1216
64 1216
65 1216
66 1428
67 0
68 0
69 1428
70 1
71 6
72 21
73 57

List of values

[1, 1, 0, 0, 1, 1, 1, 1, 2, 0, 0, 2, 1, 2, 3, 5, 5, 5, 7, 0, 0, 7, 1, 3, 6, 11, 16, 21, 28, 28, 28, 35, 0, 0, 35, 1, 4, 10, 21, 37, 58, 86, 114, 142, 177, 177, 177, 212, 0, 0, 212, 1, 5, 15, 36, 73, 131, 217, 331, 473, 650, 827, 1004, 1216, 1216, 1216, 1428, 0, 0, 1428, 1, 6, 21, 57]