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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.

A345394 Array read by ascending antidiagonals: A(n, k) = n!*[x^n] Li(-k, 1 - exp(-4*x))/(4*sinh(x)), where Li(n, z) is the polylogarithm function.

Table of values

n a(n)
0 1
1 2
2 1
3 5
4 6
5 1
6 14
7 37
8 14
9 1
10 41
11 234
12 165
13 30
14 1
15 122
16 1513
17 1826
18 613
19 62
20 1
21 365
22 9966
23 19689
24 10770
25 2085
26 126
27 1
28 1094
29 66637
30 210134
31 175465
32 55154
33 6757
34 254
35 1
36 3281
37 450834
38 2236365
39 2741670
40 1287657
41 260274
42 21285
43 510
44 1
45 9842
46 3077713
47 23819306
48 41809933
49 27930182
50 8420713
51 1167026
52 65893
53 1022
54 1

List of values

[1, 2, 1, 5, 6, 1, 14, 37, 14, 1, 41, 234, 165, 30, 1, 122, 1513, 1826, 613, 62, 1, 365, 9966, 19689, 10770, 2085, 126, 1, 1094, 66637, 210134, 175465, 55154, 6757, 254, 1, 3281, 450834, 2236365, 2741670, 1287657, 260274, 21285, 510, 1, 9842, 3077713, 23819306, 41809933, 27930182, 8420713, 1167026, 65893, 1022, 1]

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

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