# A296163 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 22
4 105
5 501
6 2456
7 12160
8 60801
9 306130
10 1550255
11 7887034
12 40281720
13 206405967
14 1060602800
15 5463059772
16 28199365873
17 145832364580
18 755420838614
19 3918935839970
20 20357605331355
21 105878815699042
22 551273881133750
23 2873161931172668
24 14988243880188600