# A058089 (b-file synthesized from sequence entry)
6 2
7 35
8 280
9 2856
10 30300
11 349734
12 4351368
13 58217640
14 834296862
15 12759002305
16 207501063952
17 3577028170736
18 65167077604440
19 1251273416561196
20 25258559758736880
21 534813397441926960
22 11852765770416416538
23 274422835213034666655