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))).

A253883 Permutation of natural numbers: a(n) = A243505(A122111(n)).

Original entry on oeis.org

1, 2, 8, 4, 6, 16, 1024, 3, 64, 256, 20, 128, 1073741824, 16384, 18, 32, 240, 512, 3538944, 48, 524288, 288, 8640, 5, 32768, 4398046511104, 27, 2097152, 214990848, 65536, 660, 12, 162, 37778931862957161709568, 134217728, 4096
Offset: 1

Views

Author

Antti Karttunen, Jan 17 2015

Keywords

Comments

Term a(37) has 310 decimal digits and its binary representation is 1028 bits long.

Links

Crossrefs

Inverse: A253884.
Similar permutations: A253791, A253891, A122111, A243505.
Cf. also A253890.

Programs

Formula

a(n) = A243505(A122111(n)).

A253892 Permutation of natural numbers: a(n) = A243071(A245612(n)).

Original entry on oeis.org

0, 1, 7, 3, 30, 63, 4, 2, 8191, 57, 510, 11, 511, 10, 31, 6, 524286, 36893488147419103231, 131068, 65532, 1073741823, 16381, 8190, 262143, 508, 248, 65535, 125, 16, 60, 127, 15, 4194299, 633825300114114700748351602685, 2097134, 200867255532373784442745261542645325315275374222849104412671, 10141204801825835211973625643007, 442, 268435451, 32754, 190
Offset: 0

Views

Author

Antti Karttunen, Jan 17 2015

Keywords

Links

Crossrefs

Inverse: A253891.
Cf. A243071, A245612, A054429, A253792, A253884.

Programs

Formula

a(n) = A243071(A245612(n)).
As a composition of other related permutations:
a(n) = A054429(A253792(A054429(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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