A097241 Primes of the form (k+1)*prime(k) + k*prime(k+1).

7, 19, 41, 79, 131, 193, 269, 491, 1303, 2099, 2689, 3643, 6547, 8707, 9931, 11239, 12703, 14939, 16703, 22571, 26317, 33199, 35419, 37493, 39241, 41263, 48371, 52631, 57529, 73681, 84163, 114797, 119129, 133481, 136027, 138373, 151573

Offset

1,1

Comments

Intersection of A097240 and A000040.

Links

Table of n, a(n) for n=1..37.

Example

A097240(5) = (5+1)*A000040(5)+5*A000040(5+1) = 6*11+5*13 =
66+65 = 131 = A000040(32), therefore 131 is a term.

Crossrefs

Sequence in context: A213782 A269428 A097240 * A067889 A190821 A100620

Adjacent sequences: A097238 A097239 A097240 * A097242 A097243 A097244

Keyword

nonn

Author

Reinhard Zumkeller, Aug 02 2004

Status

approved