A116312 n times n+8 gives the concatenation of two numbers m and m+3.

72, 3255, 6738, 9752, 80647887029795095027968358511096470120, 85938613861405938604061385940594061403, 88568679109003015820047566431888549328

Offset

1,1

Links

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

Example

9752 * 9760 = 9517//9520, where // denotes concatenation.

Crossrefs

Cf. A116181, A116305, A116311, A116313, A116320.

Sequence in context: A004366 A004389 A111598 * A111782 A060507 A238772

Adjacent sequences: A116309 A116310 A116311 * A116313 A116314 A116315

Keyword

nonn,base

Author

Giovanni Resta, Feb 06 2006

Status

approved