# A199853 (b-file synthesized from sequence entry)
0 1
1 -1
2 -1
3 -3
4 -6
5 -14
6 -31
7 -70
8 -157
9 -353
10 -793
11 -1782
12 -4004
13 -8997
14 -20216
15 -45425
16 -102069
17 -229347
18 -515338
19 -1157954
20 -2601899
21 -5846414
22 -13136773
23 -29518061
24 -66326481
25 -149034250
26 -334876920
27 -752461609
28 -1690765888
29 -3799116465
30 -8536537209