# A013361 (b-file synthesized from sequence entry)
0 1
1 -23
2 719
3 -40599
4 3735059
5 -510402683
6 96691506911
7 -24171783139087
8 7694747756773355
9 -3036089243696854595
10 1453467770211562096727
11 -829717294037701503696727
12 556699159289263988695878179