# A331351 (b-file synthesized from sequence entry)
1 1
2 70
3 1407
4 12480
5 69050
6 281946
7 931490
8 2632512
9 6598935
10 15041950
11 31740841
12 62830560
13 117855192
14 211141490
15 363551700
16 604679936
17 975561405
18 1531968822
19 2348375395
20 3522668800
21 5181705606
22 7487800650
23 10646250902