# A288148 (b-file synthesized from sequence entry)
0 0
1 6
2 108
3 2598
4 123750
5 12994248
6 3114709914
7 1730766715308
8 2248937669398650
9 6877862090075063484
10 49790967547432817528562
11 857275977287938332061154856
12 35233501393224883314185777947590