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.

A130513 Subtriangle of triangle in A051168: remove central column of A051168 and all columns to the right; now read by upwards diagonals.

Table of values

n a(n)
1 1
2 1
3 0
4 2
5 1
6 0
7 5
8 2
9 1
10 0
11 14
12 7
13 3
14 1
15 0
16 42
17 20
18 9
19 3
20 1
21 0
22 132
23 66
24 30
25 12
26 4
27 1
28 0
29 429
30 212
31 99
32 40
33 15
34 4
35 1
36 0
37 1430
38 715
39 333
40 143
41 55
42 18
43 5
44 1
45 0
46 4862
47 2424
48 1144
49 497
50 200
51 70
52 22
53 5
54 1
55 0
56 16796
57 8398
58 3978
59 1768
60 728
61 273
62 91
63 26
64 6
65 1
66 0
67 58786
68 29372
69 13995

List of values

[1, 1, 0, 2, 1, 0, 5, 2, 1, 0, 14, 7, 3, 1, 0, 42, 20, 9, 3, 1, 0, 132, 66, 30, 12, 4, 1, 0, 429, 212, 99, 40, 15, 4, 1, 0, 1430, 715, 333, 143, 55, 18, 5, 1, 0, 4862, 2424, 1144, 497, 200, 70, 22, 5, 1, 0, 16796, 8398, 3978, 1768, 728, 273, 91, 26, 6, 1, 0, 58786, 29372, 13995]