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A121659 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 3
6 4
7 5
8 7
9 9
10 12
11 15
12 20
13 25
14 32
15 40
16 51
17 63
18 79
19 97
20 121
21 148
22 182
23 221
24 271
25 328
26 398
27 479
28 579
29 694
30 834
31 995
32 1190
33 1415
34 1684
35 1995
36 2366
37 2793
38 3298
39 3881
40 4569
41 5360
42 6288
43 7355
44 8603
45 10037
46 11705
47 13619
48 15842
49 18388
50 21333
51 24703

[1,1,1,2,3,4,5,7,9,12,15,20,25,32,40,51,63,79,97,
 121,148,182,221,271,328,398,479,579,694,834,995,
 1190,1415,1684,1995,2366,2793,3298,3881,4569,5360,
 6288,7355,8603,10037,11705,13619,15842,18388,
 21333,24703]

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Last modified March 28 12:26 EDT 2024. Contains 371254 sequences. (Running on oeis4.)