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.

A353018 a(n) = Sum_{k=0..floor(n/3)} (n-3*k)^(n-3*k).

Table of values

n a(n)
0 1
1 1
2 4
3 28
4 257
5 3129
6 46684
7 823800
8 16780345
9 387467173
10 10000823800
11 285328450956
12 8916487915429
13 302885107416053
14 11112292154008972
15 437902806868774804
16 18447046958816967669
17 827251374178490773149
18 39346845978103406350228

List of values

[1, 1, 4, 28, 257, 3129, 46684, 823800, 16780345, 387467173, 10000823800, 285328450956, 8916487915429, 302885107416053, 11112292154008972, 437902806868774804, 18447046958816967669, 827251374178490773149, 39346845978103406350228]

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

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