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.

A343963 a(0) = 0, and for any n > 0, the binary expansion of n has n digits and starts with the binary expansion of n, say of w digits, and in case n > w, the remaining binary digits in a(n) are those of a(n-w).

Table of values

n a(n)
0 0
1 1
2 2
3 7
4 9
5 22
6 55
7 121
8 137
9 310
10 695
11 1529
12 3209
13 6966
14 15031
15 32249
16 34297
17 72841
18 154422
19 326327
20 687609
21 1410553
22 2956425
23 6183734
24 12909239
25 26902009
26 55936505
27 116202633
28 241064758
29 499448503
30 1033534969
31 2136311289
32 2203420153
33 4545387657

List of values

[0, 1, 2, 7, 9, 22, 55, 121, 137, 310, 695, 1529, 3209, 6966, 15031, 32249, 34297, 72841, 154422, 326327, 687609, 1410553, 2956425, 6183734, 12909239, 26902009, 55936505, 116202633, 241064758, 499448503, 1033534969, 2136311289, 2203420153, 4545387657]