A063701 - OEIS

A063701

Composite solutions to Sigma[x+d[x]] = Sigma[x]+d[x], where Sigma[] = A000203(), d[] = A000005().

147, 596, 1615, 1885, 3393, 4556, 5337, 534336, 20376032, 25659674, 120221396, 228202904, 283935654, 746314601, 1132343549, 1233632367, 1296114929, 3783288969, 3873430224, 3954451796, 16277863806, 23308412384, 69728859441

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..23.

EXAMPLE

x = 596, d(596) = 6, Sigma(596) = 1050, Sigma(596+6) = Sigma(602) = 1056 = Sigma(596)+d(596)

CROSSREFS

A000005, A000203.

Sequence in context: A184542 A350638 A162701 * A261939 A251107 A349987

Adjacent sequences: A063698 A063699 A063700 * A063702 A063703 A063704

KEYWORD

nonn

AUTHOR

Labos Elemer, Aug 23 2001

EXTENSIONS

Two more terms from Dean Hickerson, Aug 24, 2001

a(10)-a(23) from Donovan Johnson, Nov 30 2008

STATUS

approved