# A080831 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 35
5 218
6 1619
7 13973
8 137216
9 1508981
10 18360015
11 244770120
12 3547043469
13 55499654941
14 932309976082
15 16732137304363
16 319458645821311
17 6464376124430434
18 138181652330967287
19 3111035191655067585