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A067002 as a simple table

n a(n)
0 1
1 3
2 21
3 77
4 1155
5 4389
6 33649
7 129789
8 4023459
9 15646785
10 122044923
11 477084699
12 7474326951
13 29322359577
14 230389968105
15 906200541213
16 57090634096419
17 225004263791769
18 1775033636579511
19 7006711723340175
20 110706045228774765

[1,3,21,77,1155,4389,33649,129789,4023459,
 15646785,122044923,477084699,7474326951,
 29322359577,230389968105,906200541213,
 57090634096419,225004263791769,1775033636579511,
 7006711723340175,110706045228774765]

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Last modified March 20 05:34 EDT 2019. Contains 321344 sequences. (Running on oeis4.)