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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.

A345632 Sum of terms of even index in the binomial decomposition of n^(n-1).

Table of values

n a(n)
1 1
2 1
3 5
4 28
5 353
6 3376
7 66637
8 908608
9 24405761
10 432891136
11 14712104501
12 321504185344
13 13218256749601
14 343360783937536
15 16565151205544957
16 498676704524517376
17 27614800115689879553
18 945381827279671853056
19 59095217374989483261925
20 2267322327322331161821184
21 157904201452248753415276001

List of values

[1, 1, 5, 28, 353, 3376, 66637, 908608, 24405761, 432891136, 14712104501, 321504185344, 13218256749601, 343360783937536, 16565151205544957, 498676704524517376, 27614800115689879553, 945381827279671853056, 59095217374989483261925, 2267322327322331161821184, 157904201452248753415276001]

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

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