# A134915 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 28
4 87
5 273
6 857
7 2692
8 8457
9 26568
10 83465
11 262213
12 823766
13 2587937
14 8130243
15 25541911
16 80242279
17 252088554
18 791959549
19 2488014301
20 7816327450
21 24555716894
22 77144059797
23 242355211526
24 761381352089
25 2391950062303
26 7514532743484
27 23607600862089
28 74165465437218