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.

A347212 a(n) is the next Ulam number (A002858) after 2^(n-1).

Table of values

n a(n)
0 1
1 2
2 3
3 6
4 11
5 18
6 36
7 69
8 131
9 258
10 522
11 1025
12 2054
13 4101
14 8194
15 16394
16 32817
17 65542
18 131085
19 262183
20 524313
21 1048588
22 2097164
23 4194310
24 8388624
25 16777218
26 33554433
27 67108881
28 134217730
29 268435473
30 536870927
31 1073741861

List of values

[1, 2, 3, 6, 11, 18, 36, 69, 131, 258, 522, 1025, 2054, 4101, 8194, 16394, 32817, 65542, 131085, 262183, 524313, 1048588, 2097164, 4194310, 8388624, 16777218, 33554433, 67108881, 134217730, 268435473, 536870927, 1073741861]

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

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