# A107334 (b-file synthesized from sequence entry)
0 3
1 2
2 10
3 20
4 66
5 172
6 502
7 1388
8 3938
9 11036
10 31110
11 87452
12 246162
13 692460
14 1948502
15 5482060
16 15424706
17 43398588
18 122107174
19 343560700
20 966645746
21 2719759244
22 7652334326
23 21530654892
24 60578794274
25 170444884572
26 479564842182
27 1349306749532
28 3796418256466