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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.

A192548 a(n) = sum(abs(stirling1(n,k))*stirling2(n+1,k+1),k=0..n).

Table of values

n a(n)
0 1
1 1
2 4
3 33
4 426
5 7670
6 181000
7 5376777
8 195238792
9 8472419484
10 431606519268
11 25440239275308
12 1714357181128372
13 130748750027622922
14 11188498960336877296
15 1066226987215138587095
16 112415085220156146401380
17 13037223283297354475403696

List of values

[1, 1, 4, 33, 426, 7670, 181000, 5376777, 195238792, 8472419484, 431606519268, 25440239275308, 1714357181128372, 130748750027622922, 11188498960336877296, 1066226987215138587095, 112415085220156146401380, 13037223283297354475403696]

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

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