# A208473 (b-file synthesized from sequence entry)
0 1
1 6
2 78
3 1100
4 16310
5 248724
6 3863244
7 60784152
8 965571750
9 15451970820
10 248731275364
11 4022998982184
12 65326505787452
13 1064336612493000
14 17390322931354200
15 284844148339840560
16 4675649304522319110
17 76895312195988615780