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A222602 Irregular triangle of conjectured Fibonacci numbers with exactly n 0-bits in their binary representation. 6

%I #12 Mar 11 2013 13:40:30

%S 1,1,3,0,2,5,13,55,21,987,8,89,233,377,34,1597,28657,6765,144,610,

%T 17711,196418,514229,2584,4181,10946,121393,317811,3524578,46368,

%U 1346269,1836311903,75025,5702887,24157817,102334155,165580141,832040,14930352,701408733

%N Irregular triangle of conjectured Fibonacci numbers with exactly n 0-bits in their binary representation.

%H T. D. Noe, <a href="/A222602/b222602.txt">Rows n = 0..500 of irregular triangle, flattened</a>

%e The irregular triangle begins

%e {1, 1, 3},

%e {0, 2, 5, 13, 55},

%e {21, 987},

%e {8, 89, 233, 377},

%e {34, 1597, 28657},

%e {6765},

%e {144, 610},

%e {17711, 196418, 514229},

%e {2584, 4181, 10946, 121393, 317811},

%e {3524578}, {46368, 1346269, 1836311903},

%e {75025, 5702887, 24157817, 102334155, 165580141},

%e {832040, 14930352, 701408733}

%t f = Fibonacci[Range[0,1000]]; Table[Select[f, Count[IntegerDigits[#, 2], 0] == n &], {n, 0, 20}]

%Y Cf. A004685 (Fibonacci numbers in binary), A214853 (one 0-bit), A222601.

%Y Cf. A222295, A222296, A222757, A222758.

%K nonn,tabf

%O 0,3

%A _T. D. Noe_, Mar 08 2013

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)