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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.

A346767 a(n) = Sum_{k=0..n} Stirling2(n,k) * binomial(6*k,k) / (5*k + 1).

Table of values

n a(n)
0 1
1 1
2 7
3 70
4 855
5 11907
6 182714
7 3029040
8 53565875
9 1001599339
10 19674910572
11 404009742858
12 8638256718929
13 191702754433132
14 4403979321915615
15 104496256532120370
16 2555972287817569101
17 64340126437548435175
18 1664318438781195696512
19 44182488823505663971205

List of values

[1, 1, 7, 70, 855, 11907, 182714, 3029040, 53565875, 1001599339, 19674910572, 404009742858, 8638256718929, 191702754433132, 4403979321915615, 104496256532120370, 2555972287817569101, 64340126437548435175, 1664318438781195696512, 44182488823505663971205]

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

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