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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.

A382676 a(n) = Sum_{k=0..n} (k!)^2 * binomial(k+2,2) * Stirling2(n+1,k+1)^2.

Table of values

n a(n)
0 1
1 4
2 52
3 1372
4 60316
5 3964684
6 363503932
7 44280657292
8 6913081723516
9 1345238707327564
10 319137578070718012
11 90648956570718822412
12 30369040605677566161916
13 11848724306426305222109644
14 5325560174867275152102351292
15 2731649923185995549312271694732

List of values

[1, 4, 52, 1372, 60316, 3964684, 363503932, 44280657292, 6913081723516, 1345238707327564, 319137578070718012, 90648956570718822412, 30369040605677566161916, 11848724306426305222109644, 5325560174867275152102351292, 2731649923185995549312271694732]

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

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