login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A095083 Fibodious primes, i.e., primes p whose Zeckendorf-expansion A014417(p) contains an odd number of 1-fibits. 5
2, 3, 5, 13, 17, 19, 31, 41, 43, 59, 61, 71, 73, 79, 89, 103, 107, 113, 131, 151, 167, 173, 179, 181, 191, 197, 211, 227, 229, 233, 239, 251, 257, 269, 293, 307, 313, 347, 349, 353, 367, 383, 401, 419, 431, 433, 449, 457, 463, 467, 479, 487, 491 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Indranil Ghosh, Table of n, a(n) for n = 1..656

A. Karttunen and J. Moyer, C-program for computing the initial terms of this sequence

PROG

(Python)

from sympy import fibonacci, primerange

def a(n):

    k=0

    x=0

    while n>0:

        k=0

        while fibonacci(k)<=n: k+=1

        x+=10**(k - 3)

        n-=fibonacci(k - 1)

    return x

def ok(n): return str(a(n)).count("1")%2

print([n for n in primerange(1, 1001) if ok(n)]) # Indranil Ghosh, Jun 08 2017

CROSSREFS

Intersection of A000040 and A020899. Cf. A095084, A095063.

Sequence in context: A129672 A259188 A173971 * A236183 A093077 A249016

Adjacent sequences:  A095080 A095081 A095082 * A095084 A095085 A095086

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 01 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 23 09:59 EDT 2021. Contains 345397 sequences. (Running on oeis4.)