# A066908 (b-file synthesized from sequence entry)
0 0
1 0
2 2
3 3
4 136
5 2405
6 6336
7 460663
8 13148416
9 347503689
10 3772979200
11 198133379411
12 7608426080256
13 281952316704253
14 4709633119830016
15 316248789972027375
16 16013842065532911616
17 776149319714627324177