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A072673 Primes of form prime(n)*prime(2*n)+prime(n)+prime(2*n). 2
11, 31, 83, 359, 1487, 4283, 4751, 5471, 7127, 12527, 41183, 66863, 71339, 85247, 186119, 274223, 290987, 338687, 373859, 386219, 400679, 465299, 490643, 663407, 720791, 827147, 883739, 1096127, 1124603 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

A000040(236) = 1487 = 1403+23+61 = 23*61+23+61 = A000040(9)*A000040(18)+A000040(9)+A000040(18), therefore 1487 is a term.

CROSSREFS

Cf. A072672, A066938.

Sequence in context: A054757 A038768 A072672 * A126365 A082102 A199112

Adjacent sequences:  A072670 A072671 A072672 * A072674 A072675 A072676

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 30 2002

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Last modified February 17 12:38 EST 2012. Contains 206021 sequences.