# A107545 (b-file synthesized from sequence entry)
0 1
1 4900
2 4160200
3 1393966700
4 250784064400
5 28222297579700
6 2180699299264600
7 123252665710306300
8 5335426589422720800
9 183203048922774764100
10 5129723598792417037800
11 119780001914157846293900
12 2376073534328460002241200
13 40672866913592676130566100