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A203959 as a simple table

n a(n)
1 121
2 851
3 6586
4 45307
5 276516
6 1512850
7 7559349
8 35013044
9 152204393
10 627158203
11 2469369220
12 9352485042
13 34260022340
14 121947287786
15 423429014908
16 1439022449239
17 4800503801815
18 15758894017829
19 51018990415219

[121,851,6586,45307,276516,1512850,7559349,
 35013044,152204393,627158203,2469369220,
 9352485042,34260022340,121947287786,423429014908,
 1439022449239,4800503801815,15758894017829,
 51018990415219]

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Last modified August 7 12:19 EDT 2020. Contains 336276 sequences. (Running on oeis4.)