# A006179 (b-file synthesized from sequence entry)
1 1
2 52
3 5133
4 655554
5 97772875
6 16019720210
7 2812609211657
8 518332479161091
9 99318252448110232
10 19600890528520952329
11 3966181169996511862429
12 818653886943854653597621
13 171938262068874336023196923