# A144056 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 11
5 31
6 171
7 719
8 5907
9 40576
10 574191
11 6118805
12 134458817
13 2328856652
14 81657178991
15 2239533631682
16 126154274091928
17 5530047112752039
18 494646201440552586
19 34629959352847199652
20 4953721399562434015229