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A223014 as a simple table

n a(n)
1 4
2 10
3 24
4 117
5 284
6 1673
7 4429
8 26552
9 72934
10 442065
11 1235006
12 7532763
13 21256771
14 130255369
15 370176224
16 2276294040
17 6503070384
18 40098304454
19 115024311048
20 710794645074
21 2045650165772
22 12663624563666
23 36543679573017

[4,10,24,117,284,1673,4429,26552,72934,442065,
 1235006,7532763,21256771,130255369,370176224,
 2276294040,6503070384,40098304454,115024311048,
 710794645074,2045650165772,12663624563666,
 36543679573017]

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Last modified June 30 08:51 EDT 2022. Contains 354919 sequences. (Running on oeis4.)