# A022014 (b-file synthesized from sequence entry)
0 0
1 1
2 3
3 9
4 27
5 81
6 240
7 711
8 2094
9 6152
10 18012
11 52613
12 153297
13 445772
14 1293780
15 3748820
16 10845935
17 31336532
18 90426198
19 260644262
20 750502831
21 2158961013
22 6205225334
23 17820505454
24 51139664497
25 146654181925
26 420291420558