# A089893 (b-file synthesized from sequence entry)
0 0
1 1
2 4
3 21
4 64
5 321
6 1092
7 5461
8 16384
9 81921
10 278532
11 1392661
12 4210752
13 21053761
14 71582788
15 357913941
16 1073741824
17 5368709121
18 18253611012
19 91268055061
20 275951648832
21 1379758244161
22 4691178030148
23 23455890150741