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A178894
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a(n) = n OR 7n, where OR is bitwise OR.
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8
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0, 7, 14, 23, 28, 39, 46, 55, 56, 63, 78, 79, 92, 95, 110, 111, 112, 119, 126, 151, 156, 151, 158, 183, 184, 191, 190, 191, 220, 223, 222, 223, 224, 231, 238, 247, 252, 295, 302, 311, 312, 319, 302, 303, 316, 319, 366, 367, 368, 375, 382, 375, 380, 375, 382
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OFFSET
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0,2
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COMMENTS
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7*n <= a(n) < 8*n.
a(n) = 7*n if and only if n is in A048715.
It appears that a(n) = 8*n-1 if and only if n = (4*8^j+2*8^k+3)/7 for some j and k. (End)
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LINKS
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MAPLE
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MATHEMATICA
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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