# A187357 (b-file synthesized from sequence entry)
0 1
1 5
2 132
3 4862
4 208012
5 9694845
6 477638700
7 24466267020
8 1289904147324
9 69533550916004
10 3814986502092304
11 212336130412243110
12 11959798385860453492
13 680425371729975800390
14 39044429911904443959240
15 2257117854077248073253720
16 131327898242169365477991900
17 7684785670514316385230816156
18 451959718027953471447609509424