# A153943 (b-file synthesized from sequence entry)
0 1
1 2
2 2
3 3
4 4
5 8
6 14
7 49
8 79
9 253
10 741
11 2335
12 6399
13 37905
14 102246
15 593203
16 2884877
17 16569870
18 80670284
19 832584915
20 3998999249
21 40528587997
22 352270529241
23 3516190442125
24 29997079375598
25 543310308646601
26 4559849026688799