id:A057135 - OEIS Search Results

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Palindromes whose square is a palindrome; also palindromes whose sum of squares of digits is less than 10.

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0, 1, 2, 3, 11, 22, 101, 111, 121, 202, 212, 1001, 1111, 2002, 10001, 10101, 10201, 11011, 11111, 11211, 20002, 20102, 100001, 101101, 110011, 111111, 200002, 1000001, 1002001, 1010101, 1011101, 1012101, 1100011, 1102011, 1110111 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`P. De Geest, Subsets of Palindromic Squares`
	FORMULA	`a(n) = sqrt(A057135(n))`
	EXAMPLE	`121 is OK since 121^2=14641 is also a palindrome`
	CROSSREFS	`Cf. A057136, A128921.` `Sequence in context: A028816 A128921 A118595 this_sequence A104075 A070174 A080153` `Adjacent sequences: A057132 A057133 A057134 this_sequence A057136 A057137 A057138`
	KEYWORD	`base,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Aug 12 2000`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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