# A341957 (b-file synthesized from sequence entry)
1 1
2 1
3 8
4 144
5 4554
6 230940
7 18177900
8 2196712980
9 406693854000
10 115319921466960
11 50017977456121080
12 33099984846144881280
13 33309128229289401091680
14 50790831819884758635873840
15 116936359809482874588941613600
16 405126119455062475269210516705600