cp's OEIS Frontend

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.

A252710 Sum_{k=0..n} k^(n-k)*(n+k)^k.

Table of values

n a(n)
1 2
2 19
3 270
4 5274
5 131250
6 3971953
7 141615782
8 5814096100
9 270145723914
10 14014491434175
11 802959561033630
12 50357860270776302
13 3431283333644097698
14 252413829036827831821
15 19937800344936448113750
16 1683065517269356710047112
17 151213514611062314791034874

List of values

[2, 19, 270, 5274, 131250, 3971953, 141615782, 5814096100, 270145723914, 14014491434175, 802959561033630, 50357860270776302, 3431283333644097698, 252413829036827831821, 19937800344936448113750, 1683065517269356710047112, 151213514611062314791034874]

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

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