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.

A371593 Inverse permutation to A371592.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 7, 6, 8, 9, 10, 15, 11, 12, 16, 13, 17, 18, 19, 31, 14, 20, 21, 22, 32, 23, 24, 33, 25, 34, 35, 36, 63, 26, 27, 37, 28, 38, 39, 40, 64, 29, 41, 42, 43, 65, 44, 45, 66, 46, 67, 68, 69, 127, 30, 47, 48, 49, 70, 50, 51, 71, 52, 72, 73, 74, 128
Offset: 0

Views

Author

Rémy Sigrist, Mar 28 2024

Keywords

Examples

			A371592(42) = 43, so a(43) = 42.
		

Crossrefs

Cf. A371592.

Programs

  • PARI
    \\ See Links section.

A371590 Irregular table T(n, k), n >= 0, k = 1..max(2, 2^n), read by rows; the n-th row lists the nonnegative numbers whose Zeckendorf-binary representation has n nonleading zeros.

Original entry on oeis.org

0, 1, 2, 4, 3, 6, 7, 12, 5, 9, 10, 11, 17, 19, 20, 33, 8, 14, 15, 16, 18, 25, 27, 28, 30, 31, 32, 46, 51, 53, 54, 88, 13, 22, 23, 24, 26, 29, 38, 40, 41, 43, 44, 45, 48, 49, 50, 52, 67, 72, 74, 75, 80, 82, 83, 85, 86, 87, 122, 135, 140, 142, 143, 232
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 A371591.

Examples

			Array T(n, k) begins:
    0, 1
    2, 4
    3, 6, 7, 12
    5, 9, 10, 11, 17, 19, 20, 33
    8, 14, 15, 16, 18, 25, 27, 28, 30, 31, 32, 46, 51, 53, 54, 88
    ...
		

Crossrefs

See A371592 for a similar sequence.
Cf. A000045, A027941, A102364, A371591 (inverse).

Programs

  • PARI
    \\ See Links section.

Formula

A102364(T(n, k)) = n.
T(n, 1) = A000045(n + 2) for any n > 0.
T(n, max(2, 2^n)) = A027941(n + 1) for any n >= 0.
Showing 1-2 of 2 results.