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A095281 Upper Wythoff primes, i.e., primes in A001950. 3
2, 5, 7, 13, 23, 31, 41, 47, 73, 83, 89, 107, 109, 149, 151, 157, 167, 191, 193, 227, 233, 251, 269, 277, 293, 311, 337, 353, 379, 397, 421, 431, 439, 463, 479, 523, 541, 547, 557, 599, 607, 617, 641, 659, 683, 691, 701, 709, 719, 727, 733, 743 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Contains all primes p whose Zeckendorf-expansion A014417(p) ends with an odd number of 0's.

LINKS

Table of n, a(n) for n=1..52.

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

PROG

(Python)

from math import isqrt

from itertools import count, islice

from sympy import isprime

def A095281_gen(): # generator of terms

    return filter(isprime, ((n+isqrt(5*n**2)>>1)+n for n in count(1)))

A095281_list = list(islice(A095281_gen(), 30)) # Chai Wah Wu, Aug 16 2022

CROSSREFS

Intersection of A000040 & A001950. Complement of A095280 in A000040. Cf. A095081, A095083, A095084, A095290.

Sequence in context: A252281 A165319 A094712 * A106889 A155028 A119839

Adjacent sequences:  A095278 A095279 A095280 * A095282 A095283 A095284

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 04 2004

STATUS

approved

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Last modified November 26 10:15 EST 2022. Contains 358356 sequences. (Running on oeis4.)