# A149659 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 59
5 239
6 995
7 3967
8 16765
9 72109
10 309069
11 1335741
12 5867669
13 25895073
14 114438661
15 509003953
16 2281926919
17 10241361527
18 46062876287
19 208403698167
20 945304439507
21 4291646557315
22 19550896097955
23 89320268757243
24 408547143010603
25 1872035048129199
26 8597931395864235
27 39550378044489787