# A178035 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 18
4 44
5 110
6 273
7 679
8 1687
9 4191
10 10406
11 25830
12 64097
13 159015
14 394391
15 977939
16 2424370
17 5977180
18 14756906