# A069448 (b-file synthesized from sequence entry)
2 3
3 35
4 269
5 1723
6 10123
7 56757
8 309755
9 1663515
10 8846821
11 46767491
12 246319875
13 1294402053
14 6792548971
15 35614277883
16 186632524741
17 977711862035
18 5120933346419