# A168912 (b-file synthesized from sequence entry)
0 1
1 43
2 1806
3 75852
4 3185784
5 133802928
6 5619722976
7 236028364992
8 9913191329664
9 416354035845888
10 17486869505527296
11 734448519232146432
12 30846837807750150144
13 1295567187925506306048
14 54413821892871264854016