# A248471 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 87
4 1836
5 49515
6 1888218
7 89221755
8 5280079752
9 373918542867
10 31364236227630
11 3055178634627603
12 341669063554284348
13 43366411236710160651
14 6190420280148645465330
15 985839231828100191119595
16 173934377807560257682643088
17 33790653299040390831598566051
18 7189209864606264796455405368022