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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.

A356127 a(n) = Sum_{k=1..n} k^k * binomial(floor(n/k)+1,2).

Table of values

n a(n)
1 1
2 7
3 37
4 305
5 3435
6 50163
7 873713
8 17651465
9 405072044
10 10405078324
11 295716748946
12 9211817291426
13 312086923883692
14 11424093751088836
15 449317984131957736
16 18896062057875064856
17 846136323944211829050
18 40192544399241524385636

List of values

[1, 7, 37, 305, 3435, 50163, 873713, 17651465, 405072044, 10405078324, 295716748946, 9211817291426, 312086923883692, 11424093751088836, 449317984131957736, 18896062057875064856, 846136323944211829050, 40192544399241524385636]

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

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