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A032350 Palindromic nonprime numbers. 5
1, 4, 6, 8, 9, 22, 33, 44, 55, 66, 77, 88, 99, 111, 121, 141, 161, 171, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 303, 323, 333, 343, 363, 393, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 505, 515, 525, 535, 545, 555, 565, 575, 585, 595, 606, 616 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A complement to the palindromic primes.

LINKS

P. De Geest, World!Of Numbers

P. De Geest, World!Of Palindromic Primes

MATHEMATICA

palq[n_] := IntegerDigits[n]==Reverse[IntegerDigits[n]]; Select[Range[700], palq[ # ]&&!PrimeQ[ # ]&]

CROSSREFS

Cf. A002385.

Sequence in context: A121719 A162738 A161600 * A078337 A046351 A161732

Adjacent sequences:  A032347 A032348 A032349 * A032351 A032352 A032353

KEYWORD

easy,nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

EXTENSIONS

Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Oct 22 2002

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Last modified February 13 06:45 EST 2012. Contains 205451 sequences.