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A073041 n*R(n)-1 is prime, where R(n) is reverse of n. 0
2, 12, 21, 30, 36, 60, 63, 90, 114, 132, 150, 162, 174, 192, 198, 204, 231, 237, 240, 246, 255, 261, 264, 291, 306, 330, 360, 378, 390, 402, 411, 420, 438, 447, 456, 462, 471, 477, 495, 510, 552, 588, 594, 603, 609, 627, 630, 642, 654, 669, 690, 726, 732 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

12 is a term because 12*21-1=251 is prime.

CROSSREFS

Sequence in context: A031001 A048955 A034049 * A053898 A058413 A053890

Adjacent sequences:  A073038 A073039 A073040 * A073042 A073043 A073044

KEYWORD

easy,base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Aug 23 2002

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.