# A099322 (b-file synthesized from sequence entry)
0 0
1 1
2 6
3 43
4 291
5 1992
6 13595
7 92845
8 633966
9 4329023
10 29560367
11 201850896
12 1378323999
13 9411785201
14 64267689006
15 438847231427
16 2996636337771
17 20462312853336
18 139725412120339
19 954104794142789
20 6515035056168654