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.

A365046 Number of subsets of {1..n} containing n such that some element can be written as a nonnegative linear combination of the others.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 6
5 11
6 28
7 53
8 118
9 235
10 490
11 973
12 2008
13 3990
14 8089
15 16184
16 32563
17 65071
18 130667
19 261183
20 523388
21 1046748
22 2095239
23 4190208
24 8385030
25 16768943
26 33546257
27 67092732
28 134201461
29 268400553
30 536839090
31 1073670970
32 2147414967
33 4294829905
34 8589793931

List of values

[0, 0, 1, 2, 6, 11, 28, 53, 118, 235, 490, 973, 2008, 3990, 8089, 16184, 32563, 65071, 130667, 261183, 523388, 1046748, 2095239, 4190208, 8385030, 16768943, 33546257, 67092732, 134201461, 268400553, 536839090, 1073670970, 2147414967, 4294829905, 8589793931]

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

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