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.

A348413 a(0) = A002858(1) = 1, followed by the greatest Ulam numbers A002858 to form a complete sequence (see algorithm below).

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 28
6 57
7 114
8 221
9 451
10 893
11 1792
12 3549
13 7104
14 14212
15 28445
16 56894
17 113792
18 227554
19 455124
20 910208
21 1820449
22 3640907
23 7281813
24 14563613
25 29127251
26 58254501
27 116508984
28 233017889
29 466035877
30 932071736

List of values

[1, 2, 4, 8, 16, 28, 57, 114, 221, 451, 893, 1792, 3549, 7104, 14212, 28445, 56894, 113792, 227554, 455124, 910208, 1820449, 3640907, 7281813, 14563613, 29127251, 58254501, 116508984, 233017889, 466035877, 932071736]