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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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7
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 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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PROG
| (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
| Cf. A063114, A096347, A096922, A096924 - A096931.
Sequence in context: A043701 A080693 A135739 * A141642 A163622 A159251
Adjacent sequences: A096920 A096921 A096922 * A096924 A096925 A096926
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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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