# A026083 (b-file synthesized from sequence entry)
4 6
5 12
6 38
7 104
8 300
9 856
10 2464
11 7104
12 20550
13 59580
14 173118
15 503960
16 1469546
17 4291644
18 12550290
19 36746592
20 107712306
21 316050372
22 928224594
23 2728494360
24 8026707864
25 23630376000
26 69614498268
27 205212650272
28 605292727450
29 1786351811556