# A077845 (b-file synthesized from sequence entry)
0 1
1 3
2 9
3 26
4 74
5 210
6 595
7 1685
8 4771
9 13508
10 38244
11 108276
12 306549
13 867895
14 2457165
15 6956670
16 19695566
17 55761638
18 157871079
19 446961001
20 1265425799
21 3582644680
22 10143101960
23 28716919080
24 81302686761
25 230182313643
26 651686919889
27 1845041153826
28 5223638461074