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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.

A239622 Conjecturally, the irregular triangle of numbers k such that prime(n)^2 is the largest squared prime divisor of binomial(2k,k).

Table of values

n a(n)
0 0
1 1
2 2
3 4
4 3
5 6
6 7
7 9
8 10
9 11
10 12
11 21
12 22
13 28
14 29
15 30
16 31
17 36
18 37
19 54
20 55
21 57
22 58
23 110
24 171
25 784
26 786
27 5
28 8
29 15
30 16
31 17
32 20
33 35
34 42
35 45
36 50
37 51
38 52
39 53
40 56
41 59
42 60
43 77
44 80
45 133
46 134
47 135
48 136
49 156
50 157
51 158
52 159
53 160
54 161
55 170
56 210
57 211
58 212
59 400
60 401
61 402
62 651
63 652
64 785

List of values

[0, 1, 2, 4, 3, 6, 7, 9, 10, 11, 12, 21, 22, 28, 29, 30, 31, 36, 37, 54, 55, 57, 58, 110, 171, 784, 786, 5, 8, 15, 16, 17, 20, 35, 42, 45, 50, 51, 52, 53, 56, 59, 60, 77, 80, 133, 134, 135, 136, 156, 157, 158, 159, 160, 161, 170, 210, 211, 212, 400, 401, 402, 651, 652, 785]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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