The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A100917 Primes of the form pi(n) + prime(n). 3
 2, 7, 23, 47, 53, 59, 79, 179, 211, 257, 311, 331, 373, 379, 431, 443, 487, 491, 503, 523, 647, 661, 673, 677, 683, 691, 857, 863, 887, 919, 947, 1009, 1021, 1091, 1129, 1151, 1171, 1193, 1231, 1237, 1277, 1283, 1471, 1663, 1667, 1753, 1777, 1811, 1993 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Primes appearing in A100486. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 FORMULA a(n) = A100486(A065042(n)). MATHEMATICA Select[Table[PrimePi[n] + Prime[n], {n, 300}], PrimeQ] CROSSREFS Cf. A065042, A100486. Sequence in context: A244576 A089176 A049232 * A049552 A049572 A094786 Adjacent sequences:  A100914 A100915 A100916 * A100918 A100919 A100920 KEYWORD nonn AUTHOR Ray Chandler, Nov 27 2004 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.

Last modified January 22 00:08 EST 2022. Contains 350481 sequences. (Running on oeis4.)