A116330 Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+6.

4, 85, 76982, 714689, 952313, 90438190, 96320543, 32980078899028, 34346653774237, 42816188292272, 42881990066487, 57118009933511, 57183811707726, 65653346225761, 67019921100970, 81321742742209

Offset

1,1

Links

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

Example

96320543 * 96320546 = 92776472//92776478, where // denotes concatenation.

Crossrefs

Cf. A116172, A116316, A116329, A116331, A116336.

Sequence in context: A358439 A189831 A223955 * A055776 A055591 A055764

Adjacent sequences: A116327 A116328 A116329 * A116331 A116332 A116333

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved