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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.

A346768 a(n) = Sum_{k=0..n} Stirling2(n,k) * binomial(7*k,k) / (6*k + 1).

Table of values

n a(n)
0 1
1 1
2 8
3 92
4 1289
5 20518
6 358611
7 6749268
8 135095116
9 2851394415
10 63066764910
11 1454808403309
12 34869538474423
13 865771965143262
14 22211885496614803
15 587583912259110350
16 15998031596388750905
17 447598845624472993496
18 12850922242548662924046
19 378153449033278630907275

List of values

[1, 1, 8, 92, 1289, 20518, 358611, 6749268, 135095116, 2851394415, 63066764910, 1454808403309, 34869538474423, 865771965143262, 22211885496614803, 587583912259110350, 15998031596388750905, 447598845624472993496, 12850922242548662924046, 378153449033278630907275]

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

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