# A351798 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 31
4 377
5 6531
6 152452
7 4619130
8 176631345
9 8334329638
10 476245005316
11 32437793281489
12 2597918907028430
13 241796318654003869
14 25886976434072903664
15 3159556047500264255868
16 436160347706069120482893
17 67621917400663695356651589
18 11700923494462411106797164208