# A058967 (b-file synthesized from sequence entry)
3 1
4 2
5 10
6 30
7 78
8 190
9 508
10 1210
11 2744
12 6070
13 13236
14 28594
15 61360
16 130990
17 278444
18 589738
19 1245096
20 2621350
21 5504932
22 11534242
23 24117152
24 50331550
25 104857500
26 218103706
27 452984728
28 939523990
29 1946156948
30 4026531730
31 8321499024