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 1-6 of 6 results.

A030325 Position of n-th 0 in A030324.

Original entry on oeis.org

3, 7, 10, 11, 12, 15, 18, 20, 23, 24, 25, 27, 30, 35, 38, 39, 42, 43, 45, 46, 47, 48, 52, 54, 55, 58, 63, 64, 67, 68, 71, 72, 73, 75, 80, 83, 88, 89, 90, 95, 98, 100, 101, 102, 103, 106, 107, 108, 110, 111, 112, 113, 114, 116, 118, 120
Offset: 1

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Author

Keywords

Programs

  • Mathematica
    Flatten[Position[Flatten[IntegerDigits[#,2]&/@Fibonacci[ Range[ 2,20]]], 0]] (* Harvey P. Dale, Jan 21 2012 *)

A030326 Position of n-th 1 in A030324.

Original entry on oeis.org

1, 2, 4, 5, 6, 8, 9, 13, 14, 16, 17, 19, 21, 22, 26, 28, 29, 31, 32, 33, 34, 36, 37, 40, 41, 44, 49, 50, 51, 53, 56, 57, 59, 60, 61, 62, 65, 66, 69, 70, 74, 76, 77, 78, 79, 81, 82, 84, 85, 86, 87, 91, 92, 93, 94, 96, 97, 99, 104, 105, 109, 115
Offset: 1

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A030327 a(n) is the least k such that the base-2 representation of n begins at s(k) in A030324.

Original entry on oeis.org

1, 2, 1, 9, 2, 1, 4, 9, 37, 17, 2, 8, 1, 4, 31, 44, 9, 41, 37, 51, 17, 6, 2, 8, 36, 16, 1, 60, 4, 31, 160, 109, 44, 22, 9, 41, 155, 37, 261, 97, 51, 115, 17, 6, 14, 2, 29, 141, 8, 40, 36, 50, 16, 5, 1, 85, 60, 49, 4, 59, 31, 161, 160, 479, 109, 142, 44
Offset: 1

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Crossrefs

Cf. A030324.

Extensions

a(39) and a(64) corrected by Sean A. Irvine, Mar 30 2020

A030328 Length of n-th run of 0's in A030324.

Original entry on oeis.org

1, 1, 3, 1, 1, 1, 3, 1, 1, 1, 2, 2, 4, 1, 2, 1, 2, 2, 3, 1, 1, 1, 3, 1, 1, 4, 3, 5, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 4, 1, 3, 1, 2, 1, 1, 3, 1, 1, 1, 2, 5, 2, 2, 1, 3, 3, 1, 1, 3, 3, 1, 1, 4, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 1, 2, 1, 2, 3, 1, 3, 1, 2, 3, 1, 1, 1, 1, 4, 2, 1
Offset: 1

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A030329 Length of n-th run of 1's in A030324.

Original entry on oeis.org

2, 3, 2, 2, 2, 1, 2, 1, 2, 4, 2, 2, 1, 3, 1, 2, 4, 2, 2, 1, 4, 2, 4, 4, 2, 1, 2, 1, 1, 1, 1, 3, 1, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 6, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 4, 2, 1, 2, 2, 8, 1, 1, 1, 2, 2, 1, 3, 7, 2, 1, 2, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 1, 4
Offset: 1

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A030330 (# 1's)-(# 0's) in first n terms of A030324.

Original entry on oeis.org

1, 2, 1, 2, 3, 4, 3, 4, 5, 4, 3, 2, 3, 4, 3, 4, 5, 4, 5, 4, 5, 6, 5, 4, 3, 4, 3, 4, 5, 4, 5, 6, 7, 8, 7, 8, 9, 8, 7, 8, 9, 8, 7, 8, 7, 6, 5, 4, 5, 6, 7, 6, 7, 6, 5, 6, 7, 6, 7, 8, 9, 10, 9, 8, 9, 10, 9, 8, 9, 10, 9, 8, 7, 8, 7, 8, 9, 10, 11, 10, 11, 12, 11, 12, 13
Offset: 1

Views

Author

Keywords

Programs

  • Mathematica
    Accumulate[Flatten[IntegerDigits[#,2]&/@Fibonacci[Range[2,20]]]/.(0->-1)] (* Harvey P. Dale, May 29 2021 *)
Showing 1-6 of 6 results.