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A257713 as a simple table

n a(n)
1 1485
2 7260
3 28920
4 142845
5 2112540
6 10440165
7 41673885
8 205953660
9 3046252485
10 15054681960
11 60093684540
12 296985006165
13 4392693942120
14 21708840917445
15 86655051404085
16 428252172907560
17 6334261618255845
18 31304133548245020
19 124956524030977320
20 617539336347666645

[1485,7260,28920,142845,2112540,10440165,41673885,
 205953660,3046252485,15054681960,60093684540,
 296985006165,4392693942120,21708840917445,
 86655051404085,428252172907560,6334261618255845,
 31304133548245020,124956524030977320,
 617539336347666645]

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Last modified April 3 20:29 EDT 2020. Contains 333199 sequences. (Running on oeis4.)