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A154608 Numbers n such that n and 11n+4 are both prime 1
3, 5, 17, 23, 47, 53, 59, 89, 107, 137, 173, 179, 239, 263, 269, 317, 347, 383, 389, 443, 449, 479, 557, 563, 569, 617, 647, 653, 659, 677, 683, 857, 863, 929, 953, 1019, 1097, 1109, 1193, 1223, 1229, 1277, 1373, 1433, 1487, 1493, 1499, 1583, 1607, 1613, 1667 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

For n=3, 11*3+4=37; n=389, 11*389+4=4283

CROSSREFS

Cf. A017437, A141851, A154607

Sequence in context: A069687 A079017 A100564 * A024862 A025106 A203193

Adjacent sequences:  A154605 A154606 A154607 * A154609 A154610 A154611

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 15 2009

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.