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Search: id:A096923
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| A096923 |
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Numbers n for which there are exactly two k such that n = k + (product of nonzero digits of k). |
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+0
8
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| 12, 14, 16, 18, 22, 26, 38, 44, 50, 55, 62, 66, 74, 80, 86, 88, 98, 104, 112, 114, 120, 122, 123, 138, 142, 144, 155, 160, 162, 166, 170, 174, 186, 188, 198, 209, 210, 212, 218, 224, 230, 237, 240, 250, 258, 261, 265, 285, 286, 294, 303, 308, 314, 316, 326, 327
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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18 and 22 are the only two k such that k + (product of nonzero digits of k) = 26, hence 26 is a term.
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PROGRAM
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(PARI) {c=2; z=330; 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, A096924 - A096931.
Sequence in context: A043701 A080693 A135739 this_sequence A141642 A163622 A159251
Adjacent sequences: A096920 A096921 A096922 this_sequence A096924 A096925 A096926
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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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