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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.

A210880 Triangular array U(n,k) of coefficients of polynomials defined in Comments.

Table of values

n a(n)
1 1
2 2
3 1
4 3
5 5
6 2
7 4
8 7
9 7
10 3
11 5
12 9
13 10
14 12
15 5
16 6
17 11
18 13
19 17
20 19
21 8
22 7
23 13
24 16
25 22
26 27
27 31
28 13
29 8
30 15
31 19
32 27
33 35
34 44
35 50
36 21
37 9
38 17
39 22
40 32
41 43
42 57
43 71
44 81
45 34
46 10
47 19
48 25
49 37
50 51
51 70
52 92
53 115
54 131
55 55
56 11
57 21
58 28
59 42
60 59
61 83
62 113
63 149
64 186
65 212
66 89
67 12
68 23
69 31
70 47

List of values

[1, 2, 1, 3, 5, 2, 4, 7, 7, 3, 5, 9, 10, 12, 5, 6, 11, 13, 17, 19, 8, 7, 13, 16, 22, 27, 31, 13, 8, 15, 19, 27, 35, 44, 50, 21, 9, 17, 22, 32, 43, 57, 71, 81, 34, 10, 19, 25, 37, 51, 70, 92, 115, 131, 55, 11, 21, 28, 42, 59, 83, 113, 149, 186, 212, 89, 12, 23, 31, 47]

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

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