# A149541 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 13
4 53
5 181
6 797
7 2903
8 12859
9 50331
10 225839
11 906225
12 4129853
13 17040887
14 77913159
15 326996909
16 1510147553
17 6422569359
18 29747117651
19 128073608665
20 596327616089
21 2588195705585
22 12089363646993
23 52920358776527
24 247883718872023
25 1091627109014907
26 5127795371773655
27 22715769475682537