# A355775 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 2
4 -10
5 30
6 -84
7 244
8 -722
9 2126
10 -6252
11 18364
12 -53988
13 158668
14 -466408
15 1370792
16 -4029154
17 11842222
18 -34806972
19 102303468
20 -300690348
21 883782404
22 -2597604952
23 7634834648
24 -22440207764
25 65955900268
26 -193856647736
27 569780485080
28 -1674690451976