# A271972 (b-file synthesized from sequence entry)
0 1
1 7
2 21
3 35
4 -7
5 -273
6 -1043
7 -2261
8 -1743
9 8855
10 47621
11 128499
12 180649
13 -176897
14 -1972131
15 -6650245
16 -12796063
17 -4632537
18 71042293
19 316596931
20 769091673
21 860188175
22 -1942889011
23 -13792873269
24 -41571269999
25 -69734967113
26 12059021541
27 536380855955
28 2061110273033
29 4489775100447