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A082617 a(1) = 1, then squarefree palindromes such that a(n+1) = p*a(n) where p is a prime not dividing any previous term. 1
1, 2, 6, 66, 858, 6006, 222222, 22444422, 204042240402, 2010020110200102, 263312634436213362 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

a(4) = 66,a(5) = 858 = 7*66.

CROSSREFS

Cf. A082618.

Sequence in context: A055685 A082619 A046399 * A006517 A091458 A167006

Adjacent sequences:  A082614 A082615 A082616 * A082618 A082619 A082620

KEYWORD

more,nonn,base

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), Apr 29 2003

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 15 2007

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Last modified February 14 17:58 EST 2012. Contains 205656 sequences.