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A108545 Primes that are not factors of golden semiprimes (A108540). 2
13, 43, 53, 61, 71, 73, 83, 89, 113, 137, 139, 151, 179, 191, 197, 199, 223, 229, 233, 239, 251, 257, 269, 281, 307, 317, 331, 337, 347, 349, 359, 373, 401, 421, 431, 443, 461, 463, 467, 479, 491, 499, 521, 523, 541, 547, 557, 569, 577, 587, 599, 601, 617 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A108543;

abs(a(i) - a(j) * phi) > 1 for all i and j, where phi = golden ratio = (1+sqrt(5))/2.

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A001622, A108539, A108540, A108542, A108543, A108544.

Sequence in context: A118529 A340480 A129811 * A136191 A268483 A039318

Adjacent sequences:  A108542 A108543 A108544 * A108546 A108547 A108548

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jun 09 2005

STATUS

approved

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Last modified May 13 23:41 EDT 2021. Contains 343868 sequences. (Running on oeis4.)