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A192505 Non-ludic numbers that are prime numbers. 7
19, 31, 59, 73, 79, 101, 103, 109, 113, 137, 139, 151, 163, 167, 191, 197, 199, 229, 241, 251, 263, 269, 271, 281, 293, 311, 317, 347, 349, 367, 373, 379, 401, 409, 439, 443, 449, 457, 461, 479, 487, 491, 499, 521, 523, 547, 557, 563, 569, 571, 587, 599, 601 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Intersection of A000040 and A192607; (1-A010051(a(n)))*A192490(a(n)) = 1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

PROG

(Haskell)

a192505 n = a192505_list !! (n-1)

a192505_list = filter ((== 1) . a010051) a192607_list

CROSSREFS

Sequence in context: A276569 A276447 A214796 * A141184 A033212 A104227

Adjacent sequences:  A192502 A192503 A192504 * A192506 A192507 A192508

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 05 2011

STATUS

approved

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Last modified November 21 04:21 EST 2018. Contains 317428 sequences. (Running on oeis4.)