# A368790 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 64
4 641
5 8334
6 133345
7 2533556
8 55738233
9 1393455826
10 39016763129
11 1209519657000
12 41123668338001
13 1521575728506038
14 60863029140241521
15 2617110253030385404
16 120387071639397728585
17 5898966510330488700666
18 306746258537185412434633