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

Author

Carmine Suriano, Sep 27 2010

Keywords

• nonn

Examples

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

Links

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

Crossrefs

Cf. A000040, A180944.

Programs

Mathematica

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