A116344 Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+8.

464, 535, 717, 821, 3427, 6572, 90906, 980201, 3636360, 6363639, 41176467, 58823532, 413533837, 426573429, 428571425, 432620008, 567379991, 571428574, 573426570, 586466162, 686261110, 725274728, 727272724, 731321307

Offset

1,1

Links

Table of n, a(n) for n=1..24.

Crossrefs

Cf. A115430, A116335, A116343, A116345.

Sequence in context: A220716 A189830 A111697 * A260497 A254693 A247852

Adjacent sequences: A116341 A116342 A116343 * A116345 A116346 A116347

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved