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.

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A071275 Palindromes in A071274.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 111, 202, 121, 212, 303, 131, 222, 313, 404, 141, 232, 323, 414, 505, 151, 242, 333, 424, 515, 606, 161, 252, 343, 434, 525, 616, 707, 171, 262, 353, 444, 535, 626, 717, 808, 181, 272, 363, 454, 545, 636, 727, 818, 909, 10101
Offset: 1

Views

Author

Amarnath Murthy, Jun 07 2002

Keywords

Examples

			a(12) = 2112, a(1235) = 53211235

Crossrefs

Cf. A071273, A071274.

Extensions

Corrected and extended by Sascha Kurz, Jan 02 2003

A071273 Concatenation of R(n) (A004086) and n, omitting leading 0's.

Original entry on oeis.org

11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 1111, 2112, 3113, 4114, 5115, 6116, 7117, 8118, 9119, 220, 1221, 2222, 3223, 4224, 5225, 6226, 7227, 8228, 9229, 330, 1331, 2332, 3333, 4334, 5335, 6336
Offset: 1

Views

Author

Amarnath Murthy, Jun 07 2002

Keywords

Examples

			a(12) = 2112, a(1235) = 53211235

Crossrefs

Cf. A071274.

Programs

  • Mathematica
    Table[10^IntegerLength[n] IntegerReverse[n]+n,{n,40}] (* Harvey P. Dale, Mar 14 2023 *)
Showing 1-2 of 2 results.

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

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