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A187500 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 0
5 1
6 2
7 1
8 2
9 4
10 3
11 5
12 9
13 9
14 12
15 21
16 24
17 30
18 51
19 63
20 75
21 126
22 162
23 189
24 315
25 414
26 477
27 792
28 1053
29 1206
30 1998
31 2673
32 3051
33 5049
34 6777
35 7722
36 12771
37 17172
38 19548
39 32319
40 43497
41 49491
42 81810
43 110160
44 125307
45 207117
46 278964

[1,0,0,1,0,1,2,1,2,4,3,5,9,9,12,21,24,30,51,63,75,
 126,162,189,315,414,477,792,1053,1206,1998,2673,
 3051,5049,6777,7722,12771,17172,19548,32319,43497,
 49491,81810,110160,125307,207117,278964]

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Last modified April 13 05:19 EDT 2024. Contains 371639 sequences. (Running on oeis4.)