A116349 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+9.

32, 66, 42755, 57243, 75425, 425074, 574924, 979530, 4301395, 5698603, 7028668, 4925000749, 5074999249, 7748266576, 8511881486, 8814851186, 7059602159674, 7106167933830, 7439286611623, 7485852385779, 46791112884927

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Crossrefs

Cf. A116193, A116336, A116348, A116350.

Sequence in context: A275187 A045048 A132773 * A244341 A234882 A043155

Adjacent sequences: A116346 A116347 A116348 * A116350 A116351 A116352

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved