# A027793 (b-file synthesized from sequence entry)
5 56
6 588
7 3360
8 13860
9 46200
10 132132
11 336336
12 780780
13 1681680
14 3403400
15 6534528
16 11992344
17 21162960
18 36085560
19 59690400
20 96101544
21 151016712
22 232178100
23 349949600
24 518017500
25 754233480
26 1081620540
27 1529564400
28 2135214900
29 2945124000
30 4017149136
31 5422652928