# A363571 (b-file synthesized from sequence entry)
0 0
1 1
2 8
3 61
4 480
5 3881
6 31976
7 266981
8 2251136
9 19124881
10 163452168
11 1403748941
12 12104113632
13 104723793721
14 908680775528
15 7904234296181
16 68905275700736
17 601832985410081
18 5265459181363976
19 46137526574521181
20 404821208100919520
21 3556361565584509001