# A144659 (b-file synthesized from sequence entry)
0 0
1 0
2 3
3 60
4 990
5 16485
6 292215
7 5602338
8 116549370
9 2627202105
10 63960690420
11 1675359272730
12 47031228602358
13 1409683851264780
14 44956320071089245
15 1520493296271210030
16 54376042036599780570
17 2050556012681642525763
18 81336729496634645414265
19 3385729099078381669910310