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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.

A173692 a(n) = ceiling(A000931(n)/2).

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 1
5 1
6 2
7 2
8 3
9 4
10 5
11 6
12 8
13 11
14 14
15 19
16 25
17 33
18 43
19 57
20 76
21 100
22 133
23 176
24 233
25 308
26 408
27 541
28 716
29 949
30 1257
31 1665
32 2205
33 2921
34 3870
35 5126
36 6791
37 8996
38 11917
39 15786
40 20912
41 27703
42 36698
43 48615
44 64401
45 85313
46 113015
47 149713
48 198328
49 262728
50 348041
51 461056

List of values

[0, 1, 1, 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 11, 14, 19, 25, 33, 43, 57, 76, 100, 133, 176, 233, 308, 408, 541, 716, 949, 1257, 1665, 2205, 2921, 3870, 5126, 6791, 8996, 11917, 15786, 20912, 27703, 36698, 48615, 64401, 85313, 113015, 149713, 198328, 262728, 348041, 461056]

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

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