# A243921 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 53
4 612
5 8676
6 145268
7 2798355
8 60852004
9 1472460760
10 39202586348
11 1138006266618
12 35750917265544
13 1207874695612336
14 43655110115967528
15 1680097198812367783
16 68578132320350944324
17 2958457556868808457800
18 134469635178557071054492
19 6421829932908536633173110