# A226238 (b-file synthesized from sequence entry)
2 2
3 12
4 84
5 780
6 9330
7 137256
8 2396744
9 48427560
10 1111111110
11 28531167060
12 810554586204
13 25239592216020
14 854769755812154
15 31278135027204240
16 1229782938247303440
17 51702516367896047760
18 2314494592664502210318
19 109912203092239643840220