# A367048 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 27
4 177
5 1270
6 9645
7 76206
8 619913
9 5156959
10 43667985
11 375140383
12 3261467573
13 28641957520
14 253702185717
15 2263964868768
16 20334261430769
17 183680693283325
18 1667613040080061
19 15208587941854251
20 139266058402655669
21 1279953660931370623