A116128 Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 3.

5303944, 6677714, 2070936216988528558, 2969428172738875624, 6685545813563350444, 8013829604553736451395958429212, 9724110515510343256451213152382

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A116122, A116129, A116143, A116259.

Sequence in context: A236711 A184782 A116105 * A303791 A058252 A147528

Adjacent sequences: A116125 A116126 A116127 * A116129 A116130 A116131

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved