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A096289
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Let n=Sum(c(k)*2^k), c(k)=0,1, be the binary form of n, n=Sum(d(k)*5^k), d(k)=0,1,2,3,4 the base 5 form; then a(n)=Sum(c(k)+d(k)).
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1
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0, 2, 3, 5, 5, 3, 4, 6, 5, 7, 4, 6, 6, 8, 9, 7, 5, 7, 8, 10, 6, 8, 9, 11, 10, 4, 5, 7, 7, 9, 6, 8, 5, 7, 8, 6, 6, 8, 9, 11, 6, 8, 9, 11, 11, 9, 10, 12, 10, 12, 5, 7, 7, 9, 10, 8, 7, 9, 10, 12, 8, 10, 11, 13, 9, 7, 8, 10, 10, 12, 9, 11, 10, 12, 13, 7, 7, 9, 10, 12, 6, 8, 9, 11, 11, 9, 10, 12, 11, 13
(list; graph; refs; listen; history; internal format)
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