A121557 Numbers n such that n + partition number of n is prime.

1, 2, 3, 9, 11, 13, 19, 21, 23, 25, 26, 37, 39, 40, 41, 49, 59, 73, 91, 97, 100, 103, 119, 141, 147, 161, 169, 191, 205, 217, 275, 283, 285, 330, 429, 471, 485, 533, 581, 597, 605, 623, 631, 635, 641, 679, 697, 757, 767, 799, 841, 907, 971

Offset: 1

Author

Jonathan Vos Post, Aug 07 2006, Aug 09 2006

Keywords

• easy
• nonn

Comments

The primes of the form n + A000009(n) are A121558.

Links

• Robert G. Wilson v, Table of n, a(n) for n = 1..366 . [From _Robert G. Wilson v_, Jul 27 2009]

Crossrefs

Cf. A000009, A000040, A121558.

Programs

Mathematica

Select[Range[1000], PrimeQ[ # + PartitionsQ[ # ]] &] (* Stefan Steinerberger, Aug 08 2006 *)

Extensions

More terms from Stefan Steinerberger, Aug 08 2006