# A148255 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 13
5 41
6 126
7 386
8 1282
9 4502
10 16151
11 56767
12 201214
13 734143
14 2738799
15 10290635
16 38566515
17 145080476
18 553166680
19 2132018387
20 8254599276
21 32002694489
22 124412570541
23 486757109597
24 1916367227989
25 7571728726678
26 29979062727250
27 118957909505603
28 473625616693323
29 1892976607896793