login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A262275 Primes not appearing in A121543. 1
3, 11, 17, 41, 67, 83, 109, 127, 157, 191, 211, 241, 277, 283, 353, 367, 401, 461, 509, 547, 563, 587, 617, 739, 773, 797, 859, 877, 967, 991, 1031, 1063, 1087, 1171, 1201, 1217, 1409, 1433, 1447, 1471, 1499, 1597, 1621, 1669, 1723, 1741, 1823, 1913, 2027, 2063, 2081, 2099, 2221, 2269, 2341, 2351 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Number of terms less than 10^n: 1, 6, 30, 165, 1024, ... .

LINKS

Zak Seidov and Robert G. Wilson v, Table of n, a(n) for n = 1..1025

MATHEMATICA

fQ[n_] := If[ !PrimeQ[n] || (PrimeQ[n] && FreeQ[lst, PrimePi[n]]), AppendTo[lst, n]]; k = 2; lst = {1}; While[k < 2401, fQ@ k; k++]; Select[lst, PrimeQ]

CROSSREFS

Cf. A000040, A121543.

Sequence in context: A240084 A100567 A270225 * A176804 A078116 A245045

Adjacent sequences:  A262272 A262273 A262274 * A262276 A262277 A262278

KEYWORD

nonn

AUTHOR

Zak Seidov and Robert G. Wilson v, Sep 17 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 12:34 EDT 2019. Contains 322209 sequences. (Running on oeis4.)