cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A116134 Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 1.

Original entry on oeis.org

92185, 1453156572932210152879253333913, 3829098407015032018435618903285, 1017438814759112270449904796121753809
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			92185//92182 = 96013 * 96014, where // denotes concatenation.
		

Crossrefs

A116154 Numbers k such that k concatenated with itself gives the product of two numbers which differ by 1.

Original entry on oeis.org

132, 406, 510, 852, 7930, 66942, 113322, 440056, 5289256, 58477510, 111333222, 164378892, 183673470, 200444410, 206611570, 224376732, 277008310, 297520662, 305024040, 326530612, 353505556, 444000556, 479289942
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Crossrefs

A116272 n times n+1 gives the concatenation of two numbers m and m-2.

Original entry on oeis.org

6, 7282818, 8171728, 4550754022124826467, 5449245977875173533, 8176518705147900806, 8951999555715882882349355522889, 9861090464806791973258446431980
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			8171728 * 8171729 = 6677714//6677712, where // denotes
concatenation.
		

Crossrefs

Showing 1-3 of 3 results.