# A267634 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 19
4 219
5 4691
6 188215
7 14388823
8 2128027015
9 615859881223
10 351128005027151
11 395921495115621487
12 885006516085472323279
13 3928043932547284205971407
14 34658076266993991201736109023
15 608435086028952410310283975943071