# A052877 (b-file synthesized from sequence entry)
0 0
1 2
2 3
3 7
4 27
5 151
6 1083
7 9367
8 94587
9 1091671
10 14174523
11 204495127
12 3245265147
13 56183135191
14 1053716696763
15 21282685940887
16 460566381955707
17 10631309363962711
18 260741534058271803
19 6771069326513690647