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A041239 as a simple table

n a(n)
0 1
1 2
2 9
3 101
4 413
5 927
6 20807
7 42541
8 190971
9 2143222
10 8763859
11 19670940
12 441524539
13 902720018
14 4052404611
15 45479170739
16 185969087567
17 417417345873
18 9369150696773
19 19155718739419
20 85992025654449

[1,2,9,101,413,927,20807,42541,190971,2143222,
 8763859,19670940,441524539,902720018,4052404611,
 45479170739,185969087567,417417345873,
 9369150696773,19155718739419,85992025654449]

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)