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A218844 as a simple table

n a(n)
1 1
2 21
3 93
4 453
5 2050
6 9516
7 44129
8 204780
9 950346
10 4410194
11 20465923
12 94974721
13 440743516
14 2045330613
15 9491634200
16 44047218242
17 204407115009
18 948579057090
19 4402010267626
20 20428127976053
21 94799509246526
22 439930030199648

[1,21,93,453,2050,9516,44129,204780,950346,
 4410194,20465923,94974721,440743516,2045330613,
 9491634200,44047218242,204407115009,948579057090,
 4402010267626,20428127976053,94799509246526,
 439930030199648]

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Last modified December 2 11:44 EST 2021. Contains 349440 sequences. (Running on oeis4.)