# A011822 (b-file synthesized from sequence entry)
1 2
2 8
3 128
4 4140
5 122772
6 2632429
7 40412530
8 463830877
9 4172654846
10 30636553704
11 189675768766
12 1016289045634
13 4811471951354
14 20467607443084
15 79306666347738
16 283064080815539
17 939401940609112