# A150864 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 32
4 146
5 660
6 3118
7 14744
8 70996
9 342668
10 1668784
11 8143954
12 39943876
13 196236252
14 967030118
15 4771500058
16 23590317548
17 116747020448
18 578555898824
19 2869368001826
20 14244358585394
21 70757192724984
22 351724481478070
23 1749247630093202
24 8704206717449092
25 43329288385013262
26 215779762281663642