# A112243 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 55
4 577
5 7441
6 113671
7 2003527
8 39971905
9 889608097
10 21834577351
11 585555975511
12 17027451783937
13 533460597334705
14 17908302027585607
15 641152804988733031
16 24380543011087797121
17 981149507717921468737
18 41653436572936172408455
19 1860174362332664149119607