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.

A138856 Numbers such that all subsets of {prime(a(1)), ..., prime(a(n))} have a different sum.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 10
6 16
7 28
8 47
9 83
10 147
11 267
12 481
13 882
14 1621
15 2997
16 5578
17 10428
18 19560
19 36849
20 69649
21 131983
22 250841
23 477992
24 912662
25 1746404
26 3347928
27 6429526
28 12366247
29 23820901
30 45947255
31 88742186
32 171594310
33 332169919
34 643674781
35 1248523100
36 2423948034

List of values

[1, 2, 4, 5, 10, 16, 28, 47, 83, 147, 267, 481, 882, 1621, 2997, 5578, 10428, 19560, 36849, 69649, 131983, 250841, 477992, 912662, 1746404, 3347928, 6429526, 12366247, 23820901, 45947255, 88742186, 171594310, 332169919, 643674781, 1248523100, 2423948034]