# A125480 (b-file synthesized from sequence entry)
0 1
1 23
2 347
3 4523
4 67367
5 1025123
6 15878429
7 248116017
8 3896246503
9 61346131583
10 967268864947
11 15262964541419
12 240939538785161
13 3804277001327215
14 60074046273000617
15 948699602037511283
16 14982525175594682791