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A137774 as a simple table

n a(n)
1 1
2 2
3 2
4 8
5 20
6 94
7 438
8 2766
9 19480
10 163058
11 1546726
12 16598282
13 197708058
14 2586423174
15 36769177348
16 563504645310
17 9248221393974
18 161670971937362
19 2996936692836754
20 58689061747521430
21 1210222434323163704
22 26204614054454840842
23 594313769819021397534
24 14086979362268860896282

[1,2,2,8,20,94,438,2766,19480,163058,1546726,
 16598282,197708058,2586423174,36769177348,
 563504645310,9248221393974,161670971937362,
 2996936692836754,58689061747521430,
 1210222434323163704,26204614054454840842,
 594313769819021397534,14086979362268860896282]

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)