# A152881 (b-file synthesized from sequence entry)
1 0
2 1
3 5
4 15
5 40
6 95
7 213
8 455
9 940
10 1890
11 3720
12 7194
13 13710
14 25805
15 48055
16 88665
17 162272
18 294865
19 532395
20 955795
21 1707110
22 3034836
23 5372400
24 9473700
25 16646700
26 29155225
27 50908793
28 88644915
29 153952120
30 266726195
31 461066385
32 795320159