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A348995
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Positions of ones in A347084, which is the Dirichlet inverse of (n + arithmetic derivative of n).
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1
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1, 4, 8, 9, 16, 25, 32, 49, 64, 121, 128, 169, 256, 289, 361, 512, 529, 841, 961, 1024, 1369, 1536, 1681, 1849, 2048, 2209, 2809, 3481, 3721, 4096, 4489, 5041, 5329, 6241, 6889, 7921, 8192, 9409, 10201, 10240, 10609, 11449, 11881, 12769, 14080, 16129, 16384, 17161, 18769, 19321, 22201, 22801, 24649, 26569, 27889
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OFFSET
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1,2
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COMMENTS
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The only terms in range 1 .. 2^20 that are not powers of primes are: 1536, 10240, 14080, 57344, 58880, 142848, 396800, 444416, 777728.
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LINKS
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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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