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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A121477 Zeroless palindromes with digit sum 9.

Original entry on oeis.org

9, 171, 252, 333, 414, 11511, 12321, 13131, 21312, 22122, 31113, 1113111, 1121211, 1211121, 2111112, 111111111
Offset: 1

Views

Author

Lekraj Beedassy, Aug 01 2006

Keywords

Crossrefs

Cf. A121476.

Programs

  • Mathematica
    Select[Range[111111111],DigitCount[#,10,0]==0&&Total[IntegerDigits[#]]==9&& PalindromeQ[ #]&] (* Harvey P. Dale, Aug 27 2024 *)

Extensions

Corrected by Harvey P. Dale, Aug 27 2024
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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