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A038746 as a simple table

n a(n)
1 0
2 1
3 3
4 8
5 20
6 49
7 117
8 280
9 665
10 1583
11 3742
12 8876
13 20933
14 49521
15 116578
16 275204
17 646908
18 1524457
19 3579100
20 8421786
21 19752217
22 46419251
23 108774693
24 255351249
25 597911623
26 1402287934
27 3281303692
28 7689321700
29 17982126657
30 42108189097
31 98421806690
32 230322480772

[0,1,3,8,20,49,117,280,665,1583,3742,8876,20933,
 49521,116578,275204,646908,1524457,3579100,
 8421786,19752217,46419251,108774693,255351249,
 597911623,1402287934,3281303692,7689321700,
 17982126657,42108189097,98421806690,230322480772]

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Last modified October 15 07:54 EDT 2019. Contains 328026 sequences. (Running on oeis4.)