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.

A118028 a(0)=1. a(n) = a(n-1) + (smallest integer which is >= n and is missing from the earlier terms of the sequence).

Table of values

n a(n)
0 1
1 3
2 5
3 9
4 13
5 19
6 25
7 32
8 40
9 50
10 60
11 71
12 83
13 97
14 111
15 126
16 142
17 159
18 177
19 197
20 217
21 238
22 260
23 283
24 307
25 333
26 359
27 386
28 414
29 443
30 473
31 504
32 537
33 570
34 604
35 639
36 675
37 712
38 750
39 789
40 830
41 871
42 913
43 956
44 1000
45 1045
46 1091
47 1138
48 1186
49 1235
50 1286
51 1337
52 1389
53 1442

List of values

[1, 3, 5, 9, 13, 19, 25, 32, 40, 50, 60, 71, 83, 97, 111, 126, 142, 159, 177, 197, 217, 238, 260, 283, 307, 333, 359, 386, 414, 443, 473, 504, 537, 570, 604, 639, 675, 712, 750, 789, 830, 871, 913, 956, 1000, 1045, 1091, 1138, 1186, 1235, 1286, 1337, 1389, 1442]