# A012172 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 41
5 1529
6 -168851
7 14151621
8 -1169749807
9 65719458673
10 5735813087573
11 -3489760303917315
12 1000904582588332537
13 -229661980583327166359
14 41111046331054702141117
15 -2494708337718975104154187
16 -2794803495926284988945714271