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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.

A346463 a(n) = 6 * GaussBinomial(2*n, 2, 2) / denominator(Bernoulli(2*n, 1)).

Table of values

n a(n)
0 0
1 1
2 7
3 93
4 2159
5 15841
6 6141
7 44731051
8 8421119
9 86113647
10 3331843885
11 127479517837
12 103104368637
13 750599904340651
14 82824819807611
15 80500035008073
16 36170086393773823
17 49191317521302203051
18 2460603943675971
19 12592977287514948283051
20 89351501819019263845

List of values

[0, 1, 7, 93, 2159, 15841, 6141, 44731051, 8421119, 86113647, 3331843885, 127479517837, 103104368637, 750599904340651, 82824819807611, 80500035008073, 36170086393773823, 49191317521302203051, 2460603943675971, 12592977287514948283051, 89351501819019263845]

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

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