# A036569 (b-file synthesized from sequence entry)
0 1
1 3
2 7
3 21
4 48
5 112
6 336
7 861
8 1968
9 4592
10 13776
11 33936
12 86961
13 198768
14 463792
15 1391376
16 3402672
17 8382192
18 21479367
19 49095696
20 114556624
21 343669872
22 852913488
23 2085837936
24 5138283696
25 13166851971
26 30095661648
27 70223210512