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A089647 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 2
5 4
6 6
7 8
8 12
9 18
10 26
11 37
12 54
13 76
14 111
15 156
16 221
17 310
18 438
19 608
20 850
21 1178
22 1633
23 2251
24 3104
25 4257
26 5837
27 7972
28 10866
29 14772
30 20042
31 27121
32 36625
33 49356
34 66366
35 89077
36 119319
37 159547
38 212942
39 283753
40 377423
41 501274
42 664639
43 879963

[1,1,1,2,2,4,6,8,12,18,26,37,54,76,111,156,221,
 310,438,608,850,1178,1633,2251,3104,4257,5837,
 7972,10866,14772,20042,27121,36625,49356,66366,
 89077,119319,159547,212942,283753,377423,501274,
 664639,879963]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)