# A118449 (b-file synthesized from sequence entry)
3 0
4 488
5 11660
6 160680
7 1678880
8 14771680
9 115457832
10 827303280
11 5545466520
12 35257287120
13 214730922120
14 1262004908528
15 7197437563680
16 40007524376960
17 217501266966160
18 1159737346931040
19 6079078540464072
20 31385516059734960