# A013701 (b-file synthesized from sequence entry)
1 1
2 512
3 75025
4 7174454
5 562110290
6 39541748736
7 2610763825782
8 165745451110910
9 10262482704258873
10 625250747214775916
11 37701606156514031251
12 2258713106034310399852
13 134810129909509070121060