A116352 Numbers k such that k*(k+6) gives the concatenation of two numbers m and m+9.

3378, 6617, 7028, 49941474, 50058521, 97000298, 785321170881, 799019801018, 989301366861, 997000002998, 4044997109223942, 4136014586911893, 4248535260473902, 4366325506691846, 4457342984379797, 5542657015620198

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Example

97000298 * 97000304 = 94090583//94090592, where // denotes concatenation.

Crossrefs

Cf. A116174, A116345, A116351, A116353.

Sequence in context: A178276 A361348 A116305 * A153746 A243217 A133965

Adjacent sequences: A116349 A116350 A116351 * A116353 A116354 A116355

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved