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 1-5 of 5 results.

A116105 Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 5.

Original entry on oeis.org

5303944, 6677714, 2070936216988528558, 2969428172738875624, 6685545813563350444, 8013829604553736451395958429212, 9724110515510343256451213152382
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Crossrefs

Cf. A116097, A116104, A116106, A116118, A116236.

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.

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.

A116124 Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 5.

Original entry on oeis.org

61, 65479, 84289, 106609, 225649, 275599, 453589, 1869505, 2272555, 2738291, 3221951, 1667833021, 2475062749, 2525062249, 3500010739, 9032526511, 9225507211, 1753016898055, 1860598847399, 3233666953849, 3379207972471
Offset: 1

Views

Author

Giovanni Resta, Feb 06 2006

Keywords

Examples

			9225507211//9225507206 = 9604950394 * 9604950399, where // denotes concatenation.

Crossrefs

Cf. A116118, A054214, A116125, A116130, A116255.

A116117 Duplicate of A115431.

Original entry on oeis.org

6, 5346, 8083, 10578, 45531, 58626, 2392902, 2609443, 7272838, 51248898, 98009803, 159728062051, 360408196038, 523637103531, 770378933826, 998000998003, 1214959556998, 1434212848998, 3860012299771, 4243705560771
Offset: 1

Views

Author

Keywords

Crossrefs

Cf. A116104, A116116, A116118, A054214, A116248.
Showing 1-5 of 5 results.

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

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