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A074901 Increasingly larger bases required for composite numbers to become prime by base reversal (A075243). 1
0, 2, 4, 6, 8, 9, 12, 26, 27, 34, 38, 48, 54, 60, 96, 150, 168, 180, 420, 438, 462, 468, 522, 540, 570, 828, 1320, 1782, 2130, 2142, 2280 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A075243.

Sequence in context: A118363 A146982 A090958 * A189294 A125990 A191921

Adjacent sequences:  A074898 A074899 A074900 * A074902 A074903 A074904

KEYWORD

base,hard,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 16 2002

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Last modified February 15 23:53 EST 2012. Contains 205860 sequences.