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.

A119983 Number of ways to partition 1 into reduced fractions i/j with j <= n.

Table of values

n a(n)
1 1
2 2
3 4
4 7
5 13
6 22
7 36
8 59
9 107
10 189
11 244
12 494
13 594
14 1063
15 3276
16 5508
17 5804
18 12427
19 12916
20 42411
21 131773
22 167588
23 168842
24 428013
25 839368
26 1015502
27 1968162
28 5787287
29 5791851
30 15163759
31 15170600
32 28838713
33 75983560
34 82753548
35 486356263
36 1158442727
37 1158464363

List of values

[1, 2, 4, 7, 13, 22, 36, 59, 107, 189, 244, 494, 594, 1063, 3276, 5508, 5804, 12427, 12916, 42411, 131773, 167588, 168842, 428013, 839368, 1015502, 1968162, 5787287, 5791851, 15163759, 15170600, 28838713, 75983560, 82753548, 486356263, 1158442727, 1158464363]

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

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