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.

A189217 Triangle read by rows of the index of the least k-gonal number A189216(n,k).

Table of values

n a(n)
3 2
4 8
5 2
6 20
7 99
8 2
9 3
10 35
11 165
12 2
13 10
14 9
15 54
16 247
17 2
18 6
19 15
20 11
21 77
22 345
23 2
24 25
25 3
26 21
27 13
28 104
29 459
30 2
31 4
32 0
33 91
34 28
35 15
36 135
37 589
38 2
39 0
40 14
41 22
42 0
43 36
44 17
45 170
46 735
47 2
48 14
49 8
50 3
51 17
52 86
53 45
54 19
55 209
56 897
57 2
58 8
59 6
60 7
61 46
62 16
63 58
64 55
65 21
66 252
67 1075
68 2
69 50
70 21
71 0
72 171
73 3081
74 861
75 153
76 66
77 23
78 299
79 1269
80 2

List of values

[2, 8, 2, 20, 99, 2, 3, 35, 165, 2, 10, 9, 54, 247, 2, 6, 15, 11, 77, 345, 2, 25, 3, 21, 13, 104, 459, 2, 4, 0, 91, 28, 15, 135, 589, 2, 0, 14, 22, 0, 36, 17, 170, 735, 2, 14, 8, 3, 17, 86, 45, 19, 209, 897, 2, 8, 6, 7, 46, 16, 58, 55, 21, 252, 1075, 2, 50, 21, 0, 171, 3081, 861, 153, 66, 23, 299, 1269, 2]