# A262718 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 18
4 194
5 2550
6 39962
7 730002
8 15257090
9 359376750
10 9424209002
11 272385029466
12 8604312602690
13 294957765448710
14 10906288759973882
15 432701819402940450
16 18336112083960655874
17 826578941145375829470
18 39497618599385891373002
19 1994276034034710498109674