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A092818 Second component of triples a,b,c such that a < b < c, (a*b) mod (a+b) = c, (b*c) mod (b+c) = a, (c*a) mod (c+a) = b. The triples are ordered according to sum of first and second component. 4
7, 99, 111, 475, 365, 525, 704, 575, 625, 756, 864, 1173, 816, 1001, 931, 913, 1015, 1274, 1125, 1159, 1001, 1073, 1391, 1479, 1359, 1649, 1463, 1717, 1421, 1748, 2047, 1480, 1541, 1664, 1725, 1595, 1771, 2400, 2507, 2432, 2349, 1960, 2033, 2023, 2597 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A092817 gives first component, A092819 gives third component.

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

The fifth triple is 335, 365, 475, hence a(5) = 365.

PROG

(PARI) {m=4000; for(n=3, m, for(a=1, (n-1)\2, b=n-a; c=a*b%(a+b); if(b<c, if((b*c)%(b+c)==a, if((a*c)%(a+c)==b, print1(b, ", ")))))); }

CROSSREFS

Cf. A091509, A092817, A092819.

Sequence in context: A234873 A051188 A113134 * A238472 A041087 A041084

Adjacent sequences:  A092815 A092816 A092817 * A092819 A092820 A092821

KEYWORD

nonn

AUTHOR

Klaus Brockhaus, Mar 06 2004

STATUS

approved

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Last modified August 14 21:07 EDT 2018. Contains 313756 sequences. (Running on oeis4.)