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A226819
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Numbers of the form 6^j + 7^k, for j and k >= 0.
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2
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2, 7, 8, 13, 37, 43, 50, 55, 85, 217, 223, 265, 344, 349, 379, 559, 1297, 1303, 1345, 1639, 2402, 2407, 2437, 2617, 3697, 7777, 7783, 7825, 8119, 10177, 16808, 16813, 16843, 17023, 18103, 24583, 46657, 46663, 46705, 46999, 49057, 63463, 117650, 117655, 117685
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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a = 6; b = 7; mx = 120000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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