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 1-5 of 5 results.

A266635 Permutation of natural numbers: a(n) = A126760(A264965(A007310(n))).

Original entry on oeis.org

1, 3, 2, 5, 7, 9, 6, 19, 4, 8, 13, 15, 23, 11, 27, 16, 25, 17, 22, 10, 21, 20, 49, 65, 12, 73, 41, 61, 37, 24, 29, 77, 14, 55, 47, 79, 31, 26, 43, 59, 18, 67, 35, 38, 81, 33, 62, 54, 57, 46, 78, 30, 70, 53, 74, 42, 69, 34, 163, 50, 58, 45, 66, 91, 71, 28, 60, 44, 76, 39, 68, 36, 63, 52, 217, 32, 64, 51, 80, 109
Offset: 1

Views

Author

Antti Karttunen, Jan 04 2016

Keywords

Comments

Permutation induced when A264965 is restricted to numbers neither divisible by 2 nor 3 (A007310).

Links

Crossrefs

Inverse: A266636.
Cf. A007310, A126760, A264965.
Cf. also A266641, A266642, A266643, A266644.

Programs

Formula

a(n) = A126760(A264965(A007310(n))).

A266636 Permutation of natural numbers: a(n) = A126760(A264966(A007310(n))).

Original entry on oeis.org

1, 3, 2, 9, 4, 7, 5, 10, 6, 20, 14, 25, 11, 33, 12, 16, 18, 41, 8, 22, 21, 19, 13, 30, 17, 38, 15, 66, 31, 52, 37, 76, 46, 58, 43, 72, 29, 44, 70, 82, 27, 56, 39, 68, 62, 50, 35, 84, 23, 60, 78, 74, 54, 48, 34, 85, 49, 61, 40, 67, 28, 47, 73, 77, 24, 63, 42, 71, 57, 53, 65, 83, 26, 55, 81, 69, 32, 51, 36, 79, 45
Offset: 1

Views

Author

Antti Karttunen, Jan 04 2016

Keywords

Comments

Permutation induced when A264966 is restricted to numbers neither divisible by 2 nor 3 (A007310).

Links

Crossrefs

Inverse: A266635.
Cf. A007310, A126760, A264966.
Cf. also A266641, A266642, A266643, A266644.

Programs

Formula

a(n) = A126760(A264966(A007310(n))).

A266641 Permutation of nonnegative integers: a(n) = A264965(2*n) / 2.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 11, 8, 9, 10, 13, 12, 7, 14, 15, 32, 23, 18, 35, 20, 33, 26, 19, 24, 29, 38, 27, 28, 17, 30, 37, 16, 21, 34, 113, 36, 41, 50, 87, 40, 31, 42, 77, 104, 45, 110, 101, 96, 25, 22, 69, 68, 95, 54, 47, 56, 39, 86, 83, 60, 59, 74, 99, 92, 65, 114, 97, 44, 81, 70, 49, 72, 89, 82, 75, 88, 73, 66, 121, 80, 51
Offset: 0

Views

Author

Antti Karttunen, Jan 04 2016

Keywords

Links

Crossrefs

Inverse: A266642.
Cf. A057889, A263272, A264965, A265329, A265369, A266635, A266636, A266643, A266644.

Formula

a(n) = A264965(2*n) / 2.
As a composition of related permutations:
a(n) = A263272(A057889(n)).

A266643 Permutation of nonnegative integers: a(n) = A264965(3*n) / 3.

Original entry on oeis.org

0, 1, 2, 3, 4, 7, 6, 5, 8, 9, 10, 19, 12, 11, 22, 21, 16, 25, 18, 13, 20, 15, 14, 27, 24, 73, 58, 23, 28, 39, 30, 37, 64, 57, 46, 17, 36, 67, 26, 55, 40, 31, 66, 49, 76, 51, 54, 65, 48, 41, 50, 75, 44, 163, 34, 29, 56, 77, 78, 61, 60, 53, 74, 45, 32, 59, 42, 43, 68, 81, 70, 33, 72, 35, 82, 63, 52, 71, 38, 47, 80, 69
Offset: 0

Views

Author

Antti Karttunen, Jan 04 2016

Keywords

Links

Crossrefs

Inverse: A266644.
Cf. A246200, A263273, A264965, A265329, A265369, A266635, A266636, A266641, A266642.

Formula

a(n) = A264965(3*n) / 3.
As a composition of related permutations:
a(n) = A263273(A246200(n)).

A266644 Permutation of nonnegative integers: a(n) = A264966(3*n) / 3.

Original entry on oeis.org

0, 1, 2, 3, 4, 7, 6, 5, 8, 9, 10, 13, 12, 19, 22, 21, 16, 35, 18, 11, 20, 15, 14, 27, 24, 17, 38, 23, 28, 55, 30, 41, 64, 71, 54, 73, 36, 31, 78, 29, 40, 49, 66, 67, 52, 63, 34, 79, 48, 43, 50, 45, 76, 61, 46, 39, 56, 33, 26, 65, 60, 59, 82, 75, 32, 47, 42, 37, 68, 81, 70, 77, 72, 25, 62, 51, 44, 57, 58, 83, 80, 69
Offset: 0

Views

Author

Antti Karttunen, Jan 04 2016

Keywords

Links

Crossrefs

Inverse: A266643.
Cf. A246200, A263273, A264966, A265329, A265369, A266635, A266636, A266641, A266642.
Differs from A264965 for the first time at n=17, where a(17) = 35, while A264965(17) = 25.

Programs

Formula

a(n) = A264966(3*n) / 3.
As a composition of related permutations:
a(n) = A246200(A263273(n)).
Showing 1-5 of 5 results.

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