# A149125 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 9
4 34
5 103
6 385
7 1315
8 5064
9 18333
10 72135
11 271673
12 1085490
13 4201685
14 16998626
15 67093063
16 274107736
17 1098361379
18 4522963271
19 18339291269
20 76016200380
21 311165747469
22 1296898322962
23 5350452734537
24 22404993004950
25 93038032837111
26 391181787324211
27 1633395949674339
28 6892085905698460