# A013307 (b-file synthesized from sequence entry)
1 1
2 -1
3 -1
4 -43
5 -221
6 -89513
7 -149749
8 -1084711
9 -209435
10 -27633784271
11 -1480512386621
12 -7957100794591
13 -26770890495311
14 -8901132809862257
15 -397417885842749047
16 -4636876735719615641