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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.

A207610 Triangle of coefficients of polynomials u(n,x) jointly generated with A207611; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 4
4 1
5 7
6 3
7 1
8 12
9 7
10 3
11 1
12 20
13 15
14 8
15 3
16 1
17 33
18 30
19 19
20 9
21 3
22 1
23 54
24 58
25 42
26 23
27 10
28 3
29 1
30 88
31 109
32 89
33 55
34 27
35 11
36 3
37 1
38 143
39 201
40 182
41 125
42 69
43 31
44 12
45 3
46 1
47 232
48 365
49 363
50 273
51 166
52 84
53 35
54 13
55 3
56 1
57 376
58 655
59 709
60 579
61 383
62 212
63 100
64 39
65 14
66 3
67 1
68 609

List of values

[1, 2, 4, 1, 7, 3, 1, 12, 7, 3, 1, 20, 15, 8, 3, 1, 33, 30, 19, 9, 3, 1, 54, 58, 42, 23, 10, 3, 1, 88, 109, 89, 55, 27, 11, 3, 1, 143, 201, 182, 125, 69, 31, 12, 3, 1, 232, 365, 363, 273, 166, 84, 35, 13, 3, 1, 376, 655, 709, 579, 383, 212, 100, 39, 14, 3, 1, 609]

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

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