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 1-3 of 3 results.

A253792 Permutation of natural numbers: a(n) = A156552(A244154(n)).

Original entry on oeis.org

0, 1, 2, 4, 3, 7, 32, 17, 5, 16, 13, 256, 12, 257, 38, 4096, 8, 64, 35, 31, 66, 32768, 135, 259, 131072, 4097, 8194, 536870912, 32771, 65539, 18446744073709551616, 262145, 6, 19, 34, 25, 513, 4194304, 1029, 260, 55, 2051, 8796093022208, 4194305, 93, 36028797018963968, 4194309, 1032, 132, 145, 67108866, 160, 262151, 4111
Offset: 0

Views

Author

Antti Karttunen, Jan 17 2015

Keywords

Links

Crossrefs

Inverse: A253791.
Cf. A156552, A244154, A054429, A253892, A253884.

Programs

Formula

a(n) = A156552(A244154(n)).
As a composition of other related permutations:
a(n) = A054429(A253892(A054429(n))).

A253891 Permutation of natural numbers: a(n) = A245611(A163511(n)).

Original entry on oeis.org

0, 1, 7, 3, 6, 63, 15, 2, 1023, 32767, 13, 11, 255, 511, 127, 31, 28, 507, 134217727, 8388606, 524287, 17179869183, 60, 16777215, 16383, 8388607, 65535, 510, 62, 4095, 4, 14, 1073741823, 33554429, 223, 12855504354071922204335696738729300820177623950262342682411007, 16381, 268435451, 19807040628566084398385987583, 8589934589, 55
Offset: 0

Views

Author

Antti Karttunen, Jan 17 2015

Keywords

Comments

When A243071 is represented as a binary tree, then for any node A243071(k) containing n larger than zero, its left child A243071(2k-1) contains 1+(2*a(n)).

Links

Crossrefs

Inverse: A253892.
Similar permutations: A253791, A253883, A163511, A245611, A243071, A054429.

Programs

Formula

a(n) = A245611(A163511(n)).
As a composition of other related permutations:
a(n) = A054429(A253791(A054429(n))).

A253884 Permutation of natural numbers: a(n) = A122111(A243506(n)).

Original entry on oeis.org

1, 2, 8, 4, 24, 5, 8192, 3, 64, 512, 393216, 32, 7077888, 320, 384, 6, 3802951800684688204490109616128, 15, 300578991243264, 11, 1073741824, 5184, 1134000, 128, 100, 1664, 27, 864, 392318858461667547739736838950479151006397215279002157056000, 65536, 9822276308431282926640601754292746977280, 16, 1215
Offset: 1

Views

Author

Antti Karttunen, Jan 17 2015

Keywords

Links

Crossrefs

Inverse: A253883.
Similar permutations: A253792, A253892, A122111, A243506.

Programs

Formula

a(n) = A122111(A243506(n)).
Showing 1-3 of 3 results.

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

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