# A335667 (b-file synthesized from sequence entry)
1 4
2 34
3 274
4 2276
5 8126
6 184876
7 446876
8 18671876
9 95234374
10 1144976876
11 6018359374
12 281025390626
13 2068291015624
14 6254345703124
15 181171630859374
16 337813720703126
17 31079046044921876
18 205337027587890626