# A027803 (b-file synthesized from sequence entry)
3 35
4 350
5 1890
6 7350
7 23100
8 62370
9 150150
10 330330
11 675675
12 1301300
13 2382380
14 4176900
15 7054320
16 11531100
17 18314100
18 28352940
19 42902475
20 63596610
21 92534750
22 132382250
23 186486300
24 259008750
25 355077450
26 480957750
27 644245875