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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A265536 Largest base-6 palindrome m <= n, written in base 6.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 5, 11, 11, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 22, 22, 33, 33, 33, 33, 33, 33, 33, 44, 44, 44, 44, 44, 44, 44, 55, 55, 101, 101, 101, 101, 101, 101, 111, 111, 111, 111, 111, 111, 121, 121, 121, 121, 121, 121, 131, 131, 131, 131, 131, 131, 141, 141, 141, 141, 141, 141, 151, 151, 151, 151, 151, 151
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265537 Largest base-7 palindrome m <= n, written in base 10.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 6, 8, 8, 8, 8, 8, 8, 8, 8, 16, 16, 16, 16, 16, 16, 16, 16, 24, 24, 24, 24, 24, 24, 24, 24, 32, 32, 32, 32, 32, 32, 32, 32, 40, 40, 40, 40, 40, 40, 40, 40, 48, 48, 50, 50, 50, 50, 50, 50, 50, 57, 57, 57, 57, 57, 57, 57, 64, 64, 64, 64, 64, 64, 64, 71, 71, 71, 71, 71, 71, 71, 78, 78, 78, 78, 78, 78
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265538 Largest base-7 palindrome m <= n, written in base 7.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 6, 11, 11, 11, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 22, 22, 22, 33, 33, 33, 33, 33, 33, 33, 33, 44, 44, 44, 44, 44, 44, 44, 44, 55, 55, 55, 55, 55, 55, 55, 55, 66, 66, 101, 101, 101, 101, 101, 101, 101, 111, 111, 111, 111, 111, 111, 111, 121, 121, 121, 121, 121, 121, 121, 131, 131, 131, 131
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265539 Largest base-8 palindrome m <= n, written in base 10.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 18, 18, 18, 18, 18, 18, 18, 18, 18, 27, 27, 27, 27, 27, 27, 27, 27, 27, 36, 36, 36, 36, 36, 36, 36, 36, 36, 45, 45, 45, 45, 45, 45, 45, 45, 45, 54, 54, 54, 54, 54, 54, 54, 54, 54, 63, 63, 65, 65, 65, 65, 65, 65, 65, 65, 73, 73, 73, 73, 73, 73, 73, 73, 81, 81, 81
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

Programs

  • Mathematica
    Table[Module[{c=n},While[IntegerDigits[c,8]!=Reverse[IntegerDigits[c,8]],c--];c],{n,0,90}] (* Harvey P. Dale, Sep 20 2022 *)

A265540 Largest base-8 palindrome m <= n, written in base 8.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 7, 11, 11, 11, 11, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 22, 22, 22, 22, 33, 33, 33, 33, 33, 33, 33, 33, 33, 44, 44, 44, 44, 44, 44, 44, 44, 44, 55, 55, 55, 55, 55, 55, 55, 55, 55, 66, 66, 66, 66, 66, 66, 66, 66, 66, 77, 77, 101, 101, 101, 101, 101, 101, 101, 101, 111, 111, 111, 111, 111, 111
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265541 Largest base-9 palindrome m <= n, written in base 10.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 80, 80
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265542 Largest base-9 palindrome m <= n, written in base 9.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 66, 66, 66, 66, 66, 66, 66, 66, 66, 66, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 88, 88
Offset: 0

Views

Author

N. J. A. Sloane, Dec 09 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265544 a(n) = smallest base-3 palindrome m >= n such that every base-3 digit of n is <= the corresponding digit of m; m is written in base 10.

Original entry on oeis.org

0, 1, 2, 4, 4, 8, 8, 8, 8, 10, 10, 20, 13, 13, 23, 16, 16, 26, 20, 20, 20, 23, 23, 23, 26, 26, 26, 28, 28, 56, 40, 40, 68, 52, 52, 80, 40, 40, 68, 40, 40, 68, 52, 52, 80, 52, 52, 80, 52, 52, 80, 52, 52, 80, 56, 56, 56, 68, 68, 68, 80, 80, 80, 68, 68, 68, 68, 68, 68, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 82
Offset: 0

Views

Author

N. J. A. Sloane, Dec 10 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

A265545 a(n) = smallest base-3 palindrome m >= n such that every base-3 digit of n is <= the corresponding digit of m; m is written in base 3.

Original entry on oeis.org

0, 1, 2, 11, 11, 22, 22, 22, 22, 101, 101, 202, 111, 111, 212, 121, 121, 222, 202, 202, 202, 212, 212, 212, 222, 222, 222, 1001, 1001, 2002, 1111, 1111, 2112, 1221, 1221, 2222, 1111, 1111, 2112, 1111, 1111, 2112, 1221, 1221, 2222, 1221, 1221, 2222, 1221, 1221, 2222, 1221, 1221, 2222, 2002, 2002, 2002, 2112, 2112, 2112
Offset: 0

Views

Author

N. J. A. Sloane, Dec 10 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.
See A206913 for the values of m written in base 10.

A265547 a(n) = smallest base-4 palindrome m >= n such that every base-4 digit of n is <= the corresponding digit of m; m is written in base 4.

Original entry on oeis.org

0, 1, 2, 3, 11, 11, 22, 33, 22, 22, 22, 33, 33, 33, 33, 33, 101, 101, 202, 303, 111, 111, 212, 313, 121, 121, 222, 323, 131, 131, 232, 333, 202, 202, 202, 303, 212, 212, 212, 313, 222, 222, 222, 323, 232, 232, 232, 333, 303, 303, 303, 303, 313, 313, 313, 313, 323, 323, 323, 323, 333, 333, 333, 333, 1001, 1001, 2002, 3003, 1111, 1111, 2112, 3113, 1221, 1221, 2222, 3223, 1331, 1331, 2332, 3333
Offset: 0

Views

Author

N. J. A. Sloane, Dec 10 2015

Keywords

Crossrefs

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.
Previous Showing 41-50 of 74 results. Next

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

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