# A150006 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 17
4 60
5 221
6 842
7 3268
8 12943
9 52388
10 214155
11 884488
12 3686528
13 15470371
14 65441142
15 278518297
16 1191216971
17 5119104161
18 22089151177
19 95691982593
20 416093182339
21 1814989333091
22 7939913073542
23 34828221815934
24 153156480769247
25 675125047994678
26 2982561230246697
27 13202839750340194