A115444 Numbers whose square is the concatenation of two numbers k and k-5.

46, 55, 949951, 979654, 7771781679, 7900890080, 9920892100, 9949999501, 38773083432317, 41534158410842, 47433813119408, 52566186880593, 58465841589159, 61226916567684, 72258945037435, 86156896546725

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Example

902406_902401 = 949951^2.

Crossrefs

Cf. A030467, A106497, A115433, A115427, A115438, A115439, A115440, A115441, A115442, A115443, A115445, A115446, A115447.

Sequence in context: A043957 A363762 A336098 * A119385 A330243 A326646

Adjacent sequences: A115441 A115442 A115443 * A115445 A115446 A115447

Keyword

base,nonn

Author

Giovanni Resta, Jan 25 2006

Status

approved