# A276989 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 5
5 14
6 43
7 140
8 474
9 1650
10 5863
11 21170
12 77441
13 286372
14 1068790
15 4020704
16 15230470
17 58044354
18 222401745
19 856235030
20 3310615055
21 12849946406
22 50051007940
23 195571906140
24 766413504375
25 3011469930300
26 11862075827007
27 46830440626612
28 185271557066226