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A176121 as a simple table

n a(n)
0 1
1 1
2 6
3 1
4 12
5 70
6 1
7 20
8 195
9 1190
10 1
11 30
12 441
13 4088
14 26334
15 1
16 42
17 868
18 11424
19 105210
20 714252
21 1
22 56
23 1548
24 27480
25 344850
26 3208392
27 22869132
28 1
29 72
30 2565
31 59070
32 970695
33 11938212
34 113011899
35 842483070
36 1
37 90
38 4015
39 116380
40 2425995
41 38200162
42 466911445
43 4511398320
44 35048431990

[1,1,6,1,12,70,1,20,195,1190,1,30,441,4088,26334,
 1,42,868,11424,105210,714252,1,56,1548,27480,
 344850,3208392,22869132,1,72,2565,59070,970695,
 11938212,113011899,842483070,1,90,4015,116380,
 2425995,38200162,466911445,4511398320,35048431990]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)