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A213122 as a simple table

n a(n)
1 1
2 19
3 136
4 714
5 3354
6 14946
7 64664
8 274676
9 1152494
10 4793874
11 19813536
12 81495084
13 333932596
14 1364199604
15 5559496912
16 22610923448
17 91805888342
18 372224952818
19 1507347830672
20 6097720950428
21 24644919356012
22 99527343620348

[1,19,136,714,3354,14946,64664,274676,1152494,
 4793874,19813536,81495084,333932596,1364199604,
 5559496912,22610923448,91805888342,372224952818,
 1507347830672,6097720950428,24644919356012,
 99527343620348]

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Last modified October 16 20:35 EDT 2019. Contains 328103 sequences. (Running on oeis4.)