A116139 Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 8.

43, 20440836, 30017751, 61336887, 52400871197755334426147587, 53651708763838760619655612, 56652002793835820319625612, 57952296063256269823192087, 17684775866714240650923831481623

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Example

61336887//61336884 = 78317866 * 78317874, where // denotes concatenation.

Crossrefs

Cf. A116126, A116205, A116140, A116146, A116270.

Sequence in context: A228546 A125828 A177417 * A087529 A050525 A138086

Adjacent sequences: A116136 A116137 A116138 * A116140 A116141 A116142

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved