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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.

A275213 The largest coefficients of the extended q-Catalan polynomials which are defined in A274886.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 1
7 5
8 2
9 12
10 4
11 32
12 9
13 94
14 23
15 289
16 62
17 910
18 176
19 2934
20 512
21 9686
22 1551
23 32540
24 4822
25 110780
26 15266
27 381676
28 49141
29 1328980
30 160728
31 4669367
32 532890
33 16535154
34 1785162
35 58965214
36 6039328
37 211591218
38 20617808
39 763535450
40 70951548
41 2769176514

List of values

[1, 1, 1, 1, 1, 2, 1, 5, 2, 12, 4, 32, 9, 94, 23, 289, 62, 910, 176, 2934, 512, 9686, 1551, 32540, 4822, 110780, 15266, 381676, 49141, 1328980, 160728, 4669367, 532890, 16535154, 1785162, 58965214, 6039328, 211591218, 20617808, 763535450, 70951548, 2769176514]

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

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