# A150189 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 21
4 77
5 300
6 1205
7 4953
8 20803
9 88398
10 380885
11 1655075
12 7254932
13 32022552
14 142171030
15 634730173
16 2846078283
17 12817275806
18 57925380570
19 262668322805
20 1194631478606
21 5447802555181
22 24905877854090
23 114113876272866
24 523959177617163
25 2410307692682842
26 11107724672261045
27 51273047125023219