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A157335 as a simple table

n a(n)
0 1
1 6
2 42
3 287
4 1968
5 13488
6 92449
7 633654
8 4343130
9 29768255
10 204034656
11 1398474336
12 9585285697
13 65698525542
14 450304393098
15 3086432226143
16 21154721189904
17 144996616103184
18 993821591532385
19 6811754524623510
20 46688460080832186
21 320007466041201791

[1,6,42,287,1968,13488,92449,633654,4343130,
 29768255,204034656,1398474336,9585285697,
 65698525542,450304393098,3086432226143,
 21154721189904,144996616103184,993821591532385,
 6811754524623510,46688460080832186,
 320007466041201791]

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Last modified February 23 12:03 EST 2019. Contains 320431 sequences. (Running on oeis4.)