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A271934 as a simple table

n a(n)
1 1
2 2
3 8
4 38
5 196
6 1064
7 5988
8 34632
9 204672
10 1231082
11 7514052
12 46433088
13 289976404
14 1827459072
15 11608240000
16 74249294704
17 477826080368
18 3091718252320
19 20101537759256
20 131262924427560
21 860504352317040
22 5661120688863216
23 37363827222888640
24 247331149667685440
25 1641642515512685408
26 10923380539408947456
27 72850297774044995328
28 486886413558080754198
29 3260469757311730139044
30 21874082006618739609864

[1,2,8,38,196,1064,5988,34632,204672,1231082,
 7514052,46433088,289976404,1827459072,11608240000,
 74249294704,477826080368,3091718252320,
 20101537759256,131262924427560,860504352317040,
 5661120688863216,37363827222888640,
 247331149667685440,1641642515512685408,
 10923380539408947456,72850297774044995328,
 486886413558080754198,3260469757311730139044,
 21874082006618739609864]

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Last modified June 5 01:34 EDT 2024. Contains 373102 sequences. (Running on oeis4.)