# A128496 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 9
4 20
5 50
6 125
7 324
8 840
9 2195
10 5736
11 15012
12 39289
13 102854
14 269260
15 704925
16 1845500
17 4831574
18 12649205
19 33116040
20 86698896
21 226980647
22 594243024
23 1555748424
24 4073002225
25 10663258250
26 27916772500
27 73087059249
28 191344405220