# A153533 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 64
4 1013
5 31869
6 1989928
7 246059532
8 60279179910
9 29257643676931
10 28134981254125694
11 53601575793780989862
12 202317609655754784484156
13 1512918909111169363389236086