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.

A132831 Largest terms a(n) forming a self-convolution of an integer sequence (A132832) such that: a(n) <= 2*a(n-1) for n>0 with a(0)=1.

Table of values

n a(n)
0 1
1 2
2 3
3 6
4 11
5 22
6 44
7 88
8 175
9 350
10 700
11 1400
12 2799
13 5598
14 11195
15 22390
16 44779
17 89558
18 179115
19 358230
20 716459
21 1432918
22 2865835
23 5731670
24 11463340
25 22926680
26 45853360
27 91706720
28 183413439
29 366826878
30 733653755
31 1467307510
32 2934615019

List of values

[1, 2, 3, 6, 11, 22, 44, 88, 175, 350, 700, 1400, 2799, 5598, 11195, 22390, 44779, 89558, 179115, 358230, 716459, 1432918, 2865835, 5731670, 11463340, 22926680, 45853360, 91706720, 183413439, 366826878, 733653755, 1467307510, 2934615019]