A180945 Primes of the form prime(i)*prime(i+1) + prime(i+2) + 1.

23, 47, 241, 347, 467, 937, 1811, 2551, 4159, 4831, 5851, 9901, 11131, 11777, 25759, 37061, 53597, 78121, 79817, 83227, 90263, 95791, 145547, 164429, 171793, 245513, 305243, 314161, 325477, 372709, 391231, 436273, 485101, 497729, 569269, 609149

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

a(7) = 1811 = 41*43 + 47 + 1.

Mathematica

Select[#[[1]]*#[[2]]+#[[3]]+1&/@Partition[Prime[Range[150]], 3, 1], PrimeQ] (* Harvey P. Dale, Oct 19 2012 *)

Crossrefs

Cf. A000040, A180944.

Sequence in context: A042052 A136030 A054693 * A052229 A054203 A247673

Adjacent sequences: A180942 A180943 A180944 * A180946 A180947 A180948

Keyword

nonn

Author

Carmine Suriano, Sep 27 2010

Status

approved