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A226829
Numbers of the form 5^j + 9^k, for j and k >= 0.
2
2, 6, 10, 14, 26, 34, 82, 86, 106, 126, 134, 206, 626, 634, 706, 730, 734, 754, 854, 1354, 3126, 3134, 3206, 3854, 6562, 6566, 6586, 6686, 7186, 9686, 15626, 15634, 15706, 16354, 22186, 59050, 59054, 59074, 59174, 59674, 62174, 74674, 78126, 78134, 78206
OFFSET
1,1
MATHEMATICA
a = 5; b = 9; mx = 80000; 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).
Cf. A226794 ((5^j + 9^k)/2).
Sequence in context: A216090 A342641 A118369 * A236423 A362230 A082816
KEYWORD
nonn
AUTHOR
T. D. Noe, Jun 19 2013
STATUS
approved