# A148892 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 31
5 100
6 421
7 1552
8 6762
9 26907
10 120089
11 500608
12 2276471
13 9796176
14 45167827
15 198958096
16 926982691
17 4156792143
18 19525807142
19 88793214818
20 419830105812
21 1930734137846
22 9178004031467
23 42597152333828
24 203400088951928
25 951233632472524
26 4559345764647379
27 21459263407915619
28 103190090318432504