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Search: id:A096928
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| A096928 |
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Numbers n for which there are exactly seven k such that n = k + (product of nonzero digits of k). |
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+0
9
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| 1014, 8305, 18305, 26425, 30205, 30725, 31414, 39186, 41156, 51358, 71110, 71136, 72505, 74470, 80305, 82765, 90985, 100405, 100786, 100855, 101014, 101098, 101126, 102072, 110474, 112418, 118305, 126425, 130205, 130725, 131414, 139186
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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678, 854, 933, 942, 960, 1007 and 1012 are the only seven k such that k + (product of nonzero digits of k) = 1014, hence 1014 is a term.
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PROGRAM
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(PARI) {c=7; z=140000; 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
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Cf. A063114, A096347, A096922 - A096927, A096929 - A096931.
Sequence in context: A161404 A126239 A120214 this_sequence A023076 A117807 A167807
Adjacent sequences: A096925 A096926 A096927 this_sequence A096929 A096930 A096931
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KEYWORD
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nonn,base
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jul 15 2004
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