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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.

A210201 Triangle of coefficients of polynomials u(n,x) jointly generated with A210202; see the Formula section.

Table of values

n a(n)
1 1
2 3
3 6
4 3
5 11
6 10
7 6
8 19
9 27
10 23
11 12
12 32
13 62
14 73
15 52
16 24
17 53
18 132
19 193
20 187
21 116
22 48
23 87
24 266
25 468
26 552
27 462
28 256
29 96
30 142
31 517
32 1061
33 1482
34 1495
35 1112
36 560
37 192
38 231
39 978
40 2297
41 3688
42 4369
43 3896
44 2624
45 1216
46 384
47 375
48 1813
49 4797
50 8703
51 11758

List of values

[1, 3, 6, 3, 11, 10, 6, 19, 27, 23, 12, 32, 62, 73, 52, 24, 53, 132, 193, 187, 116, 48, 87, 266, 468, 552, 462, 256, 96, 142, 517, 1061, 1482, 1495, 1112, 560, 192, 231, 978, 2297, 3688, 4369, 3896, 2624, 1216, 384, 375, 1813, 4797, 8703, 11758]