# A048370 (b-file synthesized from sequence entry)
1 5
2 25
3 136
4 715
5 1526
6 11828
7 8121
8 115798
9 319405
10 1771087
11 2179693
12 11665419
13 38160335
14 176024528
15 1367063798
16 3257101805
17 9109186828
18 38598478444
19 136736651535
20 380814792667
21 821922685008