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A253743 as a simple table

n a(n)
1 450
2 2723
3 16625
4 75959
5 305707
6 1087364
7 3598487
8 11219006
9 33417573
10 95950526
11 267699183
12 729912815
13 1953438640
14 5149262462
15 13406957125
16 34558018931
17 88348005194
18 224349137386
19 566585100420
20 1424483824200
21 3568296361053

[450,2723,16625,75959,305707,1087364,3598487,
 11219006,33417573,95950526,267699183,729912815,
 1953438640,5149262462,13406957125,34558018931,
 88348005194,224349137386,566585100420,
 1424483824200,3568296361053]

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Last modified July 23 22:20 EDT 2021. Contains 346265 sequences. (Running on oeis4.)