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
Keywords
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..1000
Programs
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Mathematica
Select[Table[PrimePi[n] + Prime[n], {n, 300}], PrimeQ]
Comments