A175223 a(n) = prime(n) + 7.

9, 10, 12, 14, 18, 20, 24, 26, 30, 36, 38, 44, 48, 50, 54, 60, 66, 68, 74, 78, 80, 86, 90, 96, 104, 108, 110, 114, 116, 120, 134, 138, 144, 146, 156, 158, 164, 170, 174, 180, 186, 188, 198, 200, 204, 206, 218, 230, 234, 236, 240, 246, 248, 258, 264, 270, 276, 278

Offset: 1

Author

Jaroslav Krizek, Mar 06 2010

Keywords

• nonn
• easy

Comments

a(n) = A000040(n) + 7 = A008864(n) + 6 = A052147(n) + 5 = A113395(n) + 4 = A175221(n) + 3 = A175222 (n) + 2 = A139049(n) + 1 = A175224(n) - 1 = A140353(n) - 2 = A175225(n) - 3.

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Programs

GAP

Filtered([1..300], k-> IsPrime(k) ) + 7; # G. C. Greubel, May 20 2019

Magma

[p+7: p in PrimesUpTo(500)]; // Vincenzo Librandi, Dec 04 2010

Mathematica

Prime[Range[70]] + 7 (* Vincenzo Librandi, Nov 27 2013 *)

PARI

{a(n) = prime(n) + 7}; \\ G. C. Greubel, May 20 2019

Sage

[nth_prime(n) + 7 for n in (1..70)] # G. C. Greubel, May 20 2019

Extensions

More terms from Vincenzo Librandi, Mar 14 2010