# A181754 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 21
5 601
6 21001
7 60100001
8 2100100000001
9 601000010000000000001
10 2100100000001000000000000000000001
11 6010000100000000000010000000000000000000000000000000001