# A082970 (b-file synthesized from sequence entry)
4 4
5 23
6 107
7 464
8 1950
9 8063
10 33033
11 134576
12 546312
13 2212550
14 8946454
15 36134656
16 145831270
17 588199815
18 2371435125
19 9557736480
20 38511326040
21 155143873170
22 624899673690
23 2516678580000
24 10134353299980
25 40805797511622