# A036683 (b-file synthesized from sequence entry)
0 5
1 20
2 71
3 207
4 556
5 1390
6 3310
7 7576
8 16807
9 36331
10 76850
11 159575
12 326092
13 657124
14 1307992
15 2575180
16 5020570
17 9702043
18 18599391
19 35397328
20 66918850
21 125738650
22 234930380
23 436660010
24 807690455
25 1487269940
26 2727149885
27 4981046893