# A192925 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 11
4 51
5 281
6 1808
7 13333
8 111041
9 1031758
10 10588015
11 118985914
12 1453708722
13 19189390169
14 272212629009
15 4130239145929
16 66751752077187
17 1144920631189237
18 20772556460037154
19 397492611715916267
20 8000930139415926955