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A096927
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Numbers n for which there are exactly six k such that n = k + (product of nonzero digits of k).
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8
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2072, 3525, 9170, 9190, 11098, 11116, 11474, 11564, 12072, 12125, 13525, 19170, 19190, 20165, 20228, 20445, 21125, 24305, 29395, 30488, 31105, 31255, 31305, 31825, 40339, 40344, 40455, 41255, 42355, 45555, 50745, 51175, 54742, 58300
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 1688, 1928, 1991, 2036, 2052 and 2060 are the only six k such that k + (product of nonzero digits of k) = 2072, hence 2072 is a term.
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PROG
| (PARI) {c=6; z=60000; v=vector(z); for(n=1, z+1, k=addpnd(n); if(k<=z, v[k]=v[k]+1)); for(j=1, length(v), if(v[j]==c, print1(j, ", ")))} \\for function addpnd see A096922
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CROSSREFS
| Cf. A063114, A096347, A096922 - A096926, A096928 - A096931.
Sequence in context: A200829 A035871 A062913 * A076425 A180921 A076581
Adjacent sequences: A096924 A096925 A096926 * A096928 A096929 A096930
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KEYWORD
| nonn,base
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AUTHOR
| Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jul 15 2004
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