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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.

A382433 a(n) = S(6,n), where S(r,n) = Sum_{k=0..floor(n/2)} ( binomial(n,k) - binomial(n,k-1) )^r.

Table of values

n a(n)
0 1
1 1
2 2
3 65
4 794
5 19722
6 562692
7 15105729
8 553537490
9 18107304842
10 716747344436
11 27247858130506
12 1137502720488532
13 47573235297987700
14 2085487143991309320
15 92820152112054862785
16 4246321874111740074210
17 197525644801830489637170
18 9363425291004877645851300

List of values

[1, 1, 2, 65, 794, 19722, 562692, 15105729, 553537490, 18107304842, 716747344436, 27247858130506, 1137502720488532, 47573235297987700, 2085487143991309320, 92820152112054862785, 4246321874111740074210, 197525644801830489637170, 9363425291004877645851300]

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

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