# A173867 (b-file synthesized from sequence entry)
3 3
4 13
5 41
6 131
7 421
8 1429
9 4861
10 16787
11 58771
12 208009
13 742897
14 2674429
15 9694843
16 35357657
17 129644783
18 477638699
19 1767263171
20 6564120403
21 24466266973
22 91482563633
23 343059613639
24 1289904147227
25 4861946401451
26 18367353072143