# A017181 (b-file synthesized from sequence entry)
0 1
1 1000000000
2 322687697779
3 10578455953408
4 129961739795077
5 922190162669056
6 4605366583984375
7 18014398509481984
8 58871586708267913
9 167619550409708032
10 427929800129788411
11 1000000000000000000