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.

A328111 a(n) = A080069(n) OR A267357(n).

Table of values

n a(n)
0 1
1 3
2 15
3 47
4 191
5 743
6 2935
7 12015
8 47615
9 190363
10 737255
11 3092431
12 11777535
13 48562151
14 194672615
15 778681963
16 3117668351
17 12677730147
18 49850341191
19 192901085003
20 795560607711
21 3243899871031
22 12977889600367
23 51055599708139
24 204124618746111
25 791262494980483
26 3318011560984519
27 12661179187462123
28 52138250822737375
29 212591566440951715
30 836346216751952367
31 3236342451194541807

List of values

[1, 3, 15, 47, 191, 743, 2935, 12015, 47615, 190363, 737255, 3092431, 11777535, 48562151, 194672615, 778681963, 3117668351, 12677730147, 49850341191, 192901085003, 795560607711, 3243899871031, 12977889600367, 51055599708139, 204124618746111, 791262494980483, 3318011560984519, 12661179187462123, 52138250822737375, 212591566440951715, 836346216751952367, 3236342451194541807]

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

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