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A226795 Numbers of the form (7^j + 9^k)/2, for j and k >= 0. 1
1, 4, 5, 8, 25, 29, 41, 44, 65, 172, 176, 212, 365, 368, 389, 536, 1201, 1205, 1241, 1565, 3281, 3284, 3305, 3452, 4481, 8404, 8408, 8444, 8768, 11684, 29525, 29528, 29549, 29696, 30725, 37928, 58825, 58829, 58865, 59189, 62105, 88349, 265721 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..43.

MATHEMATICA

a = 7; b = 9; mx = 600000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]/2

CROSSREFS

Cf. A226831 (7^j + 9^k).

Sequence in context: A171938 A072808 A104884 * A113726 A207191 A240790

Adjacent sequences:  A226792 A226793 A226794 * A226796 A226797 A226798

KEYWORD

nonn

AUTHOR

T. D. Noe, Jun 19 2013

STATUS

approved

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Last modified April 20 22:22 EDT 2019. Contains 322310 sequences. (Running on oeis4.)