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.

A212705 a(n) is the difference between numbers of nonnegative multiples of 2*n+1 with even and odd digit sum in base 2*n in interval [0, (2*n)^8).

Table of values

n a(n)
1 54
2 3220
3 38794
4 237832
5 995710
6 3256540
7 8954258
8 21645200
9 47366982
10 95758500
11 181475866
12 325939096
13 559444366
14 923676652
15 1474657570
16 2286163232
17 3453646934
18 5098701492
19 7374096042
20 10469422120
21 14617383838

List of values

[54, 3220, 38794, 237832, 995710, 3256540, 8954258, 21645200, 47366982, 95758500, 181475866, 325939096, 559444366, 923676652, 1474657570, 2286163232, 3453646934, 5098701492, 7374096042, 10469422120, 14617383838]