# A091715 (b-file synthesized from sequence entry)
3 1
4 1457
5 1326781
6 966556865
7 616113172585
8 359063094171965
9 196176047915944825
10 102076077386001384485
11 51120278427593115164425
12 24824896058243745467563925
13 11753675337747799989826426225