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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.

A104098 a(n) = Sum_{k=1..n} binomial(n-1, k-1)*A008292(n, k) for n >= 1.

Table of values

n a(n)
1 1
2 2
3 10
4 68
5 606
6 6612
7 85492
8 1277096
9 21641590
10 410144180
11 8595133548
12 197346180792
13 4926442358124
14 132847425483528
15 3848398710032616
16 119187270233781456
17 3929892162743796390
18 137444081992905303540
19 5082053733073190713660
20 198081684441819323760920

List of values

[1, 2, 10, 68, 606, 6612, 85492, 1277096, 21641590, 410144180, 8595133548, 197346180792, 4926442358124, 132847425483528, 3848398710032616, 119187270233781456, 3929892162743796390, 137444081992905303540, 5082053733073190713660, 198081684441819323760920]

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

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