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A250859 as a simple table

n a(n)
1 983950
2 5480917
3 20067117
4 57570016
5 140301126
6 303858745
7 601566177
8 1109545432
9 1932426406
10 3209691541
11 5122655965
12 7902083112
13 11836435822
14 17280762921
15 24666221281
16 34510233360
17 47427280222
18 64140330037
19 85492902061

[983950,5480917,20067117,57570016,140301126,
 303858745,601566177,1109545432,1932426406,
 3209691541,5122655965,7902083112,11836435822,
 17280762921,24666221281,34510233360,47427280222,
 64140330037,85492902061]

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Last modified February 22 18:24 EST 2020. Contains 332148 sequences. (Running on oeis4.)