# A149451 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 13
4 49
5 186
6 751
7 3098
8 13036
9 55559
10 239741
11 1045683
12 4598980
13 20368516
14 90733028
15 406321477
16 1827966938
17 8257125139
18 37430455001
19 170216663711
20 776294282712
21 3549614438904
22 16269011949135
23 74726516665971
24 343909812071896
25 1585633519847133
26 7323006530686385
27 33872716318708966