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A003113 as a simple table

n a(n)
0 2
1 1
2 2
3 2
4 3
5 3
6 5
7 5
8 7
9 8
10 10
11 11
12 15
13 16
14 20
15 23
16 28
17 31
18 38
19 42
20 51
21 57
22 67
23 75
24 89
25 99
26 115
27 129
28 149
29 166
30 192
31 213
32 244
33 272
34 309
35 344
36 391
37 433
38 489
39 543
40 611
41 676
42 760
43 839
44 939
45 1038
46 1157
47 1276
48 1422
49 1565
50 1738
51 1913
52 2119
53 2328
54 2576
55 2826
56 3120

[2,1,2,2,3,3,5,5,7,8,10,11,15,16,20,23,28,31,38,
 42,51,57,67,75,89,99,115,129,149,166,192,213,244,
 272,309,344,391,433,489,543,611,676,760,839,939,
 1038,1157,1276,1422,1565,1738,1913,2119,2328,2576,
 2826,3120]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)