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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.

A209695 Triangle of coefficients of polynomials u(n,x) jointly generated with A209696; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 5
6 5
7 1
8 8
9 18
10 12
11 1
12 11
13 40
14 58
15 29
16 1
17 14
18 71
19 164
20 175
21 70
22 1
23 17
24 111
25 357
26 601
27 507
28 169
29 1
30 20
31 160
32 664
33 1550
34 2048
35 1428
36 408
37 1
38 23
39 218
40 1112
41 3346
42 6106
43 6632
44 3940
45 985
46 1
47 26
48 285
49 1728
50 6394
51 15012
52 22442
53 20680
54 10701
55 2378

List of values

[1, 1, 2, 1, 5, 5, 1, 8, 18, 12, 1, 11, 40, 58, 29, 1, 14, 71, 164, 175, 70, 1, 17, 111, 357, 601, 507, 169, 1, 20, 160, 664, 1550, 2048, 1428, 408, 1, 23, 218, 1112, 3346, 6106, 6632, 3940, 985, 1, 26, 285, 1728, 6394, 15012, 22442, 20680, 10701, 2378]

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

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