# A027804 (b-file synthesized from sequence entry)
4 70
5 756
6 4410
7 18480
8 62370
9 180180
10 462462
11 1081080
12 2342340
13 4764760
14 9189180
15 16930368
16 29980860
17 51279480
18 85058820
19 137287920
20 216228474
21 333125100
22 503052550
23 745945200
24 1087836750
25 1562340780
26 2212405650
27 3092380200
28 4270429800
29 5831345520
30 7879792536