A116338 n times n+5 gives the concatenation of two numbers m and m+7.

700, 777, 791, 868, 42338, 57658, 96884, 44121667, 55878329, 85298138, 36680703009575609347721358494, 63319296990424390652278641502, 69346342454876071597336150482, 81501115172242572470460459684

Offset

1,1

Links

Table of n, a(n) for n=1..14.

Example

85298138 * 85298143 = 72757727//72757734, where // denotes
concatenation.

Crossrefs

Cf. A116207, A116331, A116337, A116339, A116351.

Sequence in context: A028500 A133251 A243837 * A293203 A157366 A293279

Adjacent sequences: A116335 A116336 A116337 * A116339 A116340 A116341

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved