A283459 Primes for which A049076(p) = 15.

88362852307, 392654585611999, 5519908106212193, 21034688742654437, 35843152090509943, 69532764058102673, 161191749822468689, 248761474969923757, 310467261969020581, 419776921940182991, 598644471430113247, 962125183414225879, 1029970322316321083, 1244984735583648473, 1695313841631390713

Offset: 1

Author

Robert G. Wilson v, Mar 08 2017

Keywords

• nonn

Comments

Also used Kim Walisch's primecount.

Links

• N. Fernandez, An order of primeness, F(p)
• N. Fernandez, An order of primeness [cached copy, included with permission of the author]

Crossrefs

Cf. A049076, A006450, A114537, A007821, A049078, A049079, A049080, A049081, A058322, A058324, A058325, A058326, A058327, A058328, A093046, A283458.

Programs

Mathematica

Nest[Prime, Select[Range[3], ! PrimeQ[#] &], 14]

Formula

a(n) = A000040(A283458(n)).