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 1-2 of 2 results.

A262615 Amicable digital pairs: A262091 and A262092 interleaved.

Original entry on oeis.org

136, 244, 919, 1459, 2178, 6514, 58618, 76438, 89883, 157596, 63804, 313625, 2755907, 6586433, 8139850, 9057586, 144839908, 1043820406, 277668893, 756738746, 304162700, 344050075, 4370652168, 11346057072, 21914086555935085, 37878721692554416, 187864919457180831, 375609204308055082, 13397885590701080090, 40091536165423401387
Offset: 1

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Author

Omar E. Pol, Nov 29 2015

Keywords

Comments

A pair of numbers x and y are called amicable digital if, in decimal notation and with an appropriate number of leading zeros prepended, x = (x_m...x_1x_0){10}, y = (y_m...y_1y_0){10}, x = y_m^m + ... + y_1^m + y_0^m, and y = x_m^m + ... + x_1^m + x_0^m.
First differs from A264958 (another version) at a(9).

Crossrefs

Extensions

Suggested by Don Knuth, see the Links section and A262091.

A264958 Amicable digital pair: the pairs from A262615 ordered by their smallest member.

Original entry on oeis.org

136, 244, 919, 1459, 2178, 6514, 58618, 76438, 63804, 313625, 89883, 157596, 2755907, 6586433, 8139850, 9057586, 144839908, 1043820406, 277668893, 756738746, 304162700, 344050075, 4370652168, 11346057072, 21914086555935085, 37878721692554416, 187864919457180831, 375609204308055082, 13397885590701080090, 40091536165423401387
Offset: 1

Views

Author

Omar E. Pol, Nov 29 2015

Keywords

Comments

First differs from A262615 (another version) at a(9).

Crossrefs

Showing 1-2 of 2 results.