# A149789 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 19
4 83
5 359
6 1621
7 7397
8 34287
9 160329
10 756171
11 3587343
12 17109611
13 81943397
14 393873557
15 1898913021
16 9178998447
17 44469765073
18 215871925197
19 1049749029221
20 5112681871005
21 24935204015019
22 121763599883763
23 595264154554159
24 2913026575292897
25 14268630331252561
26 69950213039800301