# A027981 (b-file synthesized from sequence entry)
0 1
1 10
2 40
3 124
4 340
5 868
6 2116
7 4996
8 11524
9 26116
10 58372
11 129028
12 282628
13 614404
14 1327108
15 2850820
16 6094852
17 12976132
18 27525124
19 58195972
20 122683396
21 257949700
22 541065220
23 1132462084
24 2365587460
25 4932501508
26 10267656196