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.

A350105 Number of subsets of the initial segment of the natural numbers strictly below n which are not self-measuring. Number of subsets S of [n] with S != distset(S).

Table of values

n a(n)
0 0
1 0
2 1
3 3
4 9
5 22
6 52
7 112
8 238
9 490
10 999
11 2019
12 4065
13 8155
14 16345
15 32725
16 65489
17 131020
18 262090
19 524228
20 1048514
21 2097084
22 4194232
23 8388532
24 16777138
25 33554346
26 67108775
27 134217635
28 268435359
29 536870809
30 1073741719
31 2147483535
32 4294967181
33 8589934471
34 17179869059

List of values

[0, 0, 1, 3, 9, 22, 52, 112, 238, 490, 999, 2019, 4065, 8155, 16345, 32725, 65489, 131020, 262090, 524228, 1048514, 2097084, 4194232, 8388532, 16777138, 33554346, 67108775, 134217635, 268435359, 536870809, 1073741719, 2147483535, 4294967181, 8589934471, 17179869059]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.