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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.

A303988 Triangle read by rows: numerators of c_{n,k}, n >= 0, 0 <= k <= n, used in the proof that Zeta(3) is irrational.

Table of values

n a(n)
0 0
1 1
2 5
3 9
4 29
5 115
6 251
7 65
8 5191
9 1039
10 2035
11 10391
12 2077
13 72703
14 58157
15 256103
16 259703
17 1817471
18 1817521
19 7270009
20 1454021
21 28567
22 67323
23 25243
24 389467
25 21810107
26 47982293
27 6854599
28 9822481
29 9895981
30 11132213
31 66793523
32 11755653433
33 2351131157
34 30564700141
35 30564710941
36 78708473
37 237497419
38 237487619
39 23511313481
40 23511309071
41 61129406407
42 5557218637
43 61129406447
44 244517610353

List of values

[0, 1, 5, 9, 29, 115, 251, 65, 5191, 1039, 2035, 10391, 2077, 72703, 58157, 256103, 259703, 1817471, 1817521, 7270009, 1454021, 28567, 67323, 25243, 389467, 21810107, 47982293, 6854599, 9822481, 9895981, 11132213, 66793523, 11755653433, 2351131157, 30564700141, 30564710941, 78708473, 237497419, 237487619, 23511313481, 23511309071, 61129406407, 5557218637, 61129406447, 244517610353]

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

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