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 1-4 of 4 results.

A116119 Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 7.

Original entry on oeis.org

96, 150, 186, 324, 376, 666, 996, 2046, 3000, 9996, 82650, 99996, 100384, 466716, 999996, 1322316, 4049584, 9999996, 67820074, 99999996, 110003884, 135734074, 156502836, 196043286, 213017754, 238849000, 261405396, 289940826
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			9802960500//9802960494 = 9900990099 * 9900990106, where // denotes concatenation.

Crossrefs

Cf. A116112, A116118, A116132, A116250.

A116243 n times n+7 gives the concatenation of two numbers m and m-7.

Original entry on oeis.org

38, 56, 32262230, 67737764, 79321054, 3341093417798787499091, 3861488851737861033959, 4747922651210186579785, 5252077348789813420209, 6138511148262138966035, 6658906582201212500903, 7232275368591793618229
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			79321054 * 79321061 = 62918301//62918294, where // denotes
concatenation.

Crossrefs

Cf. A116112, A116238, A116242, A116244, A116250.

A116249 n times n+5 gives the concatenation of two numbers m and m-6.

Original entry on oeis.org

8, 9, 98, 99, 361, 635, 712, 921, 998, 999, 8903, 9998, 9999, 81816, 99998, 99999, 336631, 663365, 999998, 999999, 7272725, 9999998, 9999999, 76470587, 99999998, 99999999, 333666331, 405436666, 428571427, 447710183, 454545452
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Crossrefs

Cf. A116118, A116236, A116248, A116250, A116255.

A116263 n times n+7 gives the concatenation of two numbers m and m-4.

Original entry on oeis.org

83, 76980, 714687, 952311, 90438188, 96320541, 32980078899026, 34346653774235, 42816188292270, 42881990066485, 57118009933509, 57183811707724, 65653346225759, 67019921100968, 81321742742207
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			96320541 * 96320548 = 92776472//92776468, where // denotes
concatenation.

Crossrefs

Cf. A116132, A116250, A116262, A116264, A116269.
Showing 1-4 of 4 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.