# A195981 (b-file synthesized from sequence entry)
0 1
1 -1
2 -1
3 -1
4 -2
5 -4
6 -10
7 -25
8 -66
9 -178
10 -490
11 -1370
12 -3881
13 -11113
14 -32115
15 -93542
16 -274332
17 -809377
18 -2400641
19 -7154066
20 -21409915
21 -64317898
22 -193886665
23 -586311736
24 -1778101466
25 -5406660260
26 -16479943037
27 -50344990445
28 -154120149335
29 -472717222756
30 -1452529814867
31 -4470733286364
32 -13782117172530
33 -42549485082664
34 -131545321942331