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 A049080 Primes prime(k) for which A049076(k) = 4. 19
 11, 277, 1063, 2221, 3001, 4397, 7193, 9319, 10631, 12763, 15823, 21179, 22093, 24859, 30133, 33967, 37217, 38833, 40819, 43651, 55351, 57943, 60647, 66851, 68639, 77431, 80071, 84347, 90023, 98519, 101701, 103069, 125113, 127643 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Jens Kruse Andersen, Table of n, a(n) for n = 1..10000 N. Fernandez, An order of primeness, F(p) N. Fernandez, An order of primeness [cached copy, included with permission of the author] MAPLE A049080 := proc(n)         ithprime(A049079(n)) ; end proc: # R. J. Mathar, Jul 07 2012 MATHEMATICA Nest[ Prime, Select[ Range[50], !PrimeQ[ # ] &], 4] (* Robert G. Wilson v, Mar 15 2004 *) CROSSREFS Cf. A049076, A007821, A049078, A049079, A049081, A058322, A058324, A058325, A058326, A058327, A058328, A093046, A006450. Sequence in context: A160195 A203240 A062210 * A210807 A129754 A103547 Adjacent sequences:  A049077 A049078 A049079 * A049081 A049082 A049083 KEYWORD nonn AUTHOR STATUS approved

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Last modified May 7 16:00 EDT 2021. Contains 343652 sequences. (Running on oeis4.)