# A133409 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 1
5 4
6 13
7 39
8 117
9 351
10 1054
11 3163
12 9490
13 28470
14 85410
15 256230
16 768691
17 2306074
18 6918223
19 20754669
20 62264007
21 186792021
22 560376064
23 1681128193
24 5043384580
25 15130153740
26 45390461220
27 136171383660