

A226808


Numbers of the form 2^j + 5^k, for j and k >= 0.


1



2, 3, 5, 6, 7, 9, 13, 17, 21, 26, 27, 29, 33, 37, 41, 57, 65, 69, 89, 126, 127, 129, 133, 141, 153, 157, 189, 253, 257, 261, 281, 381, 513, 517, 537, 626, 627, 629, 633, 637, 641, 657, 689, 753, 881, 1025, 1029, 1049, 1137, 1149, 1649, 2049, 2053, 2073, 2173
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OFFSET

1,1


LINKS

T. D. Noe, Table of n, a(n) for n = 1..10000


MATHEMATICA

a = 2; b = 5; mx = 3000; 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), A226806A226832 (cases to 8^j + 9^k).
Sequence in context: A074780 A292938 A056900 * A096594 A100693 A030159
Adjacent sequences: A226805 A226806 A226807 * A226809 A226810 A226811


KEYWORD

nonn


AUTHOR

T. D. Noe, Jun 19 2013


STATUS

approved



