# A307711 (b-file synthesized from sequence entry)
2 3
3 31
4 97
5 331
6 1009
7 3067
8 11513
9 27403
10 64621
11 185617
12 480853
13 1333951
14 3524431
15 9558361
16 26080333
17 70411483
18 189961939