# A273335 (b-file synthesized from sequence entry)
0 1
1 4
2 48
3 224
4 960
5 3968
6 16128
7 65024
8 261120
9 1046528
10 4190208
11 16769024
12 67092480
13 268402688
14 1073676288
15 4294836224