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.

A370636 Number of subsets of {1..n} such that it is possible to choose a different binary index of each element.

Table of values

n a(n)
0 1
1 2
2 4
3 7
4 14
5 24
6 39
7 61
8 122
9 203
10 315
11 469
12 676
13 952
14 1307
15 1771
16 3542
17 5708
18 8432
19 11877
20 16123
21 21415
22 27835
23 35757
24 45343
25 57010
26 70778
27 87384
28 106479
29 129304
30 155802
31 187223
32 374446
33 588130
34 835800
35 1124981
36 1456282
37 1841361
38 2281772
39 2791896
40 3367162

List of values

[1, 2, 4, 7, 14, 24, 39, 61, 122, 203, 315, 469, 676, 952, 1307, 1771, 3542, 5708, 8432, 11877, 16123, 21415, 27835, 35757, 45343, 57010, 70778, 87384, 106479, 129304, 155802, 187223, 374446, 588130, 835800, 1124981, 1456282, 1841361, 2281772, 2791896, 3367162]