# A009369 (b-file synthesized from sequence entry)
0 0
1 1
2 -1
3 1
4 -8
5 45
6 -301
7 2357
8 -21608
9 223769
10 -2602081
11 33484713
12 -473210528
13 7282225093
14 -121272163741
15 2172791685469
16 -41680241726768
17 852337358029617
18 -18510436676621281
19 425474580069715025
20 -10319766893265298328