A100917 Primes of the form pi(n) + prime(n).

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

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