login
A226820
Numbers of the form 2^j + 8^k, for j and k >= 0.
1
2, 3, 5, 9, 10, 12, 16, 17, 24, 33, 40, 65, 66, 68, 72, 80, 96, 128, 129, 136, 192, 257, 264, 320, 513, 514, 516, 520, 528, 544, 576, 640, 768, 1024, 1025, 1032, 1088, 1536, 2049, 2056, 2112, 2560, 4097, 4098, 4100, 4104, 4112, 4128, 4160, 4224, 4352, 4608
OFFSET
1,1
MATHEMATICA
a = 2; b = 8; mx = 5000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]
CROSSREFS
Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).
Sequence in context: A226826 A333607 A047370 * A072192 A287158 A325835
KEYWORD
nonn
AUTHOR
T. D. Noe, Jun 19 2013
STATUS
approved