# A149945 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 50
5 164
6 572
7 2007
8 7147
9 25744
10 94470
11 345562
12 1283521
13 4774425
14 17870925
15 67071406
16 253596740
17 957841394
18 3641689270
19 13852713872
20 52882413683
21 202064486221
22 775138650253
23 2972225528641
24 11437906305874
25 44025442187961
26 169850215967115
27 655535281281558
28 2536205112396006