# A028075 (b-file synthesized from sequence entry)
0 1
1 25
2 400
3 5230
4 60991
5 661675
6 6836950
7 68263360
8 664838581
9 6356961325
10 59947423900
11 559395635890
12 5177995501771
13 47632122760975
14 436056971109250
15 3977028159426820
16 36166503547714561
17 328145135909292625
18 2972035570568581000
19 26880644285129620150
20 242859379929646660951