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A232012 Numbers n such that p^2 + n is prime for some prime p. 4
1, 2, 3, 4, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 34, 36, 37, 38, 39, 40, 42, 43, 44, 46, 48, 49, 50, 52, 54, 55, 57, 58, 60, 62, 63, 64, 66, 67, 69, 70, 72, 74, 75, 76, 78, 79, 80, 82, 84, 85, 88, 90, 92, 93, 94, 96, 97, 98, 99, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Supersequence of A023200 (primes p such that p + 4 is also prime). Complement of A232010.

LINKS

Table of n, a(n) for n=1..71.

EXAMPLE

2 is in sequence because 3^2 + 2 = 11 (3 and 11 are primes).

CROSSREFS

Cf. A232009, A232010, A232011, A023200.

Sequence in context: A157846 A285126 A187388 * A029596 A039160 A175439

Adjacent sequences:  A232009 A232010 A232011 * A232013 A232014 A232015

KEYWORD

nonn

AUTHOR

Jaroslav Krizek, Nov 22 2013

STATUS

approved

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Last modified July 18 10:35 EDT 2019. Contains 325138 sequences. (Running on oeis4.)