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.

A378894 Numbers, when written in binary, that are a proper substring of the concatenation (with repetition) in increasing order of their prime factors, when written in binary.

Table of values

n a(n)
1 10
2 57
3 63
4 355
5 737
6 921
7 1526
8 13803
9 22008
10 43364
11 44016
12 48895
13 65151
14 88032
15 130545
16 235929
17 255987
18 563207
19 702460
20 1456355
21 2799617
22 3020897
23 3137557
24 3774873
25 4163463
26 5697350
27 5995862
28 14176747
29 42172441
30 55933611
31 87559273
32 93206755
33 108530173
34 126474397
35 180677710
36 193337441
37 249550095
38 259779663
39 533713761
40 536378647
41 715881440
42 940339099
43 1000732491

List of values

[10, 57, 63, 355, 737, 921, 1526, 13803, 22008, 43364, 44016, 48895, 65151, 88032, 130545, 235929, 255987, 563207, 702460, 1456355, 2799617, 3020897, 3137557, 3774873, 4163463, 5697350, 5995862, 14176747, 42172441, 55933611, 87559273, 93206755, 108530173, 126474397, 180677710, 193337441, 249550095, 259779663, 533713761, 536378647, 715881440, 940339099, 1000732491]