login
A226814
Numbers of the form 5^j + 6^k, for j and k >= 0.
2
2, 6, 7, 11, 26, 31, 37, 41, 61, 126, 131, 161, 217, 221, 241, 341, 626, 631, 661, 841, 1297, 1301, 1321, 1421, 1921, 3126, 3131, 3161, 3341, 4421, 7777, 7781, 7801, 7901, 8401, 10901, 15626, 15631, 15661, 15841, 16921, 23401, 46657, 46661, 46681, 46781, 47281
OFFSET
1,1
MATHEMATICA
a = 5; b = 6; mx = 50000; 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: A224082 A051678 A079906 * A233419 A189327 A371410
KEYWORD
nonn
AUTHOR
T. D. Noe, Jun 19 2013
STATUS
approved