# A158196 (b-file synthesized from sequence entry)
0 1
1 3
2 14
3 71
4 370
5 1950
6 10332
7 54895
8 292106
9 1555706
10 8289732
11 44186710
12 235575028
13 1256093084
14 6698073528
15 35719158591
16 190488112122
17 1015885525794
18 5417869631028
19 28894620083346
20 154102115782812