# A337899 (b-file synthesized from sequence entry)
1 0
2 1
3 21
4 140
5 575
6 1785
7 4606
8 10416
9 21330
10 40425
11 71995
12 121836
13 197561
14 308945
15 468300
16 690880
17 995316
18 1404081
19 1943985
20 2646700
21 3549315
22 4694921
23 6133226
24 7921200
25 10123750
26 12814425
27 16076151
28 20001996