# A227337 (b-file synthesized from sequence entry)
1 2
2 20
3 220
4 5980
5 173420
6 8150740
7 431989220
8 25487363980
9 1707653386660
10 742559959944940
11 79453915714108580
12 10090647295691789660
13 1757620212758033277820
14 286492094679559424284660
15 47844179811486423855538220