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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A371591 Inverse permutation to A371590.

Original entry on oeis.org

0, 1, 2, 4, 3, 8, 5, 6, 16, 9, 10, 11, 7, 32, 17, 18, 19, 12, 20, 13, 14, 64, 33, 34, 35, 21, 36, 22, 23, 37, 24, 25, 26, 15, 128, 65, 66, 67, 38, 68, 39, 40, 69, 41, 42, 43, 27, 70, 44, 45, 46, 28, 47, 29, 30, 256, 129, 130, 131, 71, 132, 72, 73, 133, 74, 75
Offset: 0

Views

Author

Rémy Sigrist, Mar 28 2024

Keywords

Examples

			A371590(42) = 44, so a(44) = 42.
		

Crossrefs

Cf. A371590.

Programs

  • PARI
    \\ See Links section.

A371592 Irregular table T(n, k), n >= 0, k = 1..2^n, read by rows; the n-th row lists the nonnegative integers whose dual Zeckendorf-binary representation has n ones.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 7, 6, 8, 9, 10, 12, 13, 15, 20, 11, 14, 16, 17, 18, 21, 22, 23, 25, 26, 28, 33, 34, 36, 41, 54, 19, 24, 27, 29, 30, 31, 35, 37, 38, 39, 42, 43, 44, 46, 47, 49, 55, 56, 57, 59, 60, 62, 67, 68, 70, 75, 88, 89, 91, 96, 109, 143
Offset: 0

Views

Author

Rémy Sigrist, Mar 28 2024

Keywords

Comments

As a flat sequence, this is a permutation of the nonnegative integers with inverse A371593.

Examples

			Table T(n, k) begins:
    0
    1, 2
    3, 4, 5, 7
    6, 8, 9, 10, 12, 13, 15, 20
    11, 14, 16, 17, 18, 21, 22, 23, 25, 26, 28, 33, 34, 36, 41, 54
    ...
		

Crossrefs

See A371590 for a similar sequence.
Cf. A001911, A035508, A112310, A371593 (inverse).

Programs

  • PARI
    \\ See Links section.

Formula

A112310(T(n, k)) = n.
T(n, 1) = A001911(n).
T(n, 2^n) = A035508(n).
Showing 1-2 of 2 results.