# A052842 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 23
4 290
5 5104
6 115374
7 3185972
8 103946688
9 3912527016
10 166884627360
11 7955159511672
12 419106982360560
13 24182042474691984
14 1516563901865906880
15 102717031449780063360
16 7472238163167018081024