# A016890 (b-file synthesized from sequence entry)
0 729
1 262144
2 4826809
3 34012224
4 148035889
5 481890304
6 1291467969
7 3010936384
8 6321363049
9 12230590464
10 22164361129
11 38068692544
12 62523502209
13 98867482624
14 151334226289
15 225199600704
16 326940373369