# A150847 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 32
4 140
5 617
6 2825
7 12989
8 60799
9 285605
10 1355212
11 6448778
12 30876524
13 148182226
14 714046275
15 3447484841
16 16691884243
17 80949584877
18 393388278159
19 1914344878230
20 9330462585841
21 45528694065925
22 222436937930322
23 1087807926738612
24 5325191050098931
25 26090385582013999
26 127934831995426037