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.

A367509 a(n) = Sum_{d|n} (2*d+1)^n.

Table of values

n a(n)
1 3
2 34
3 370
4 7267
5 161294
6 4960812
7 170861562
8 7019201348
9 322728071069
10 16705828227476
11 952809758091074
12 59628239376008854
13 4052555153020570590
14 297587425607933152700
15 23465266173840431204452
16 1978033864507607364591749
17 177482997121587371955312038

List of values

[3, 34, 370, 7267, 161294, 4960812, 170861562, 7019201348, 322728071069, 16705828227476, 952809758091074, 59628239376008854, 4052555153020570590, 297587425607933152700, 23465266173840431204452, 1978033864507607364591749, 177482997121587371955312038]