A116208 Numbers k such that k concatenated with k+7 gives the product of two numbers which differ by 6.

145, 384, 505, 820, 7680, 20665, 29748, 480340, 6694209, 77854665, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345, 404958673, 448003540, 451671060, 478271265

Offset

1,1

Links

Table of n, a(n) for n=1..23.

Crossrefs

Cf. A116194, A116207, A116209, A116168, A116339.

Sequence in context: A158133 A094613 A207058 * A211470 A031702 A297732

Adjacent sequences: A116205 A116206 A116207 * A116209 A116210 A116211

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved