A116115 Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 1.

58, 1552909498221642960203840517299022287877411846, 1723404686015903064905313664707396376746205762, 2153694542826970975147295558223788704098018912

Offset

1,1

Links

Table of n, a(n) for n=1..4.

Example

58//52 = 76 * 77, where // denotes concatenation.

Crossrefs

Cf. A116101, A116116, A116120, A116246.

Sequence in context: A243466 A201988 A116103 * A230852 A104380 A051321

Adjacent sequences: A116112 A116113 A116114 * A116116 A116117 A116118

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved