# A182420 (b-file synthesized from sequence entry)
0 0
1 1
2 6
3 15
4 44
5 205
6 1218
7 8547
8 68440
9 615897
10 6158910
11 67747911
12 812974980
13 10568674805
14 147961447354
15 2219421710235
16 35510747363504
17 603682705179313
18 10866288693227382
19 206459485171319935
20 4129189703426398300
21 86712983771954363901