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.

A363285 a(n) is the smallest multiple k of 2^n such that |sigma(k) - 2*k| = 2^n, where sigma = A000203.

Table of values

n a(n)
0 1
1 10
2 12
3 56
4 752
5 992
6 12224
7 16256
8 654848
9 7337984
10 10483712
11 12580864
12 167763968
13 67100672
14 2684321792
15 38654574592
16 584115027968
17 17179738112
18 206158168064
19 274877382656
20 149533572988928
21 123145293922304
22 9288674164342784
23 34902896977903616

List of values

[1, 10, 12, 56, 752, 992, 12224, 16256, 654848, 7337984, 10483712, 12580864, 167763968, 67100672, 2684321792, 38654574592, 584115027968, 17179738112, 206158168064, 274877382656, 149533572988928, 123145293922304, 9288674164342784, 34902896977903616]