# A013327 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 1
5 -8
6 -83
7 -572
8 -3447
9 -21672
10 -123111
11 -737240
12 -3483619
13 -13031484
14 70815357
15 2064032844
16 35771746481
17 493920403632
18 6641490804273
19 85856649793936
20 1103675761610485
21 14215393325698588