# A150592 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 27
4 105
5 434
6 1823
7 7774
8 33835
9 148064
10 654193
11 2915791
12 13048725
13 58751884
14 265691571
15 1205496545
16 5491102385
17 25080469864
18 114855451761
19 527348708275
20 2426105402995
21 11184364852120
22 51654525113001
23 238941780810494
24 1107044612289195
25 5136168497982782
26 23860240578462955
27 110981370435242503