id:A083475 - OEIS Search Results

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Consider the set of all the numbers n*k where 1 <= k <= n. Then a(n) = number of palindromic members of this set.

+0
2

1, 2, 3, 2, 1, 1, 1, 1, 1, 0, 10, 0, 0, 0, 0, 0, 1, 1, 2, 0, 1, 6, 2, 0, 2, 2, 0, 2, 3, 0, 2, 0, 5, 2, 2, 2, 10, 2, 2, 0, 1, 1, 1, 4, 1, 2, 3, 1, 2, 0, 1, 1, 5, 0, 1, 1, 3, 4, 1, 0, 0, 2, 2, 1, 1, 6, 1, 2, 3, 0, 0, 0, 2, 6, 1, 0, 12, 2, 1, 0, 0, 1, 1, 2, 1, 0, 1, 9, 1, 0, 8, 1, 1, 1, 1, 4, 1, 1, 10, 0, 19, 0, 2, 1 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(10k) = 0.`
	EXAMPLE	`a(22) = 6, and the palindromes are 22,44,66,88,242,484.` `a(26) = 2, and the palindromes are 494 and 676.`
	CROSSREFS	`Cf. A083476.` `Sequence in context: A108619 A091327 A110540 this_sequence A122402 A008406 A039735` `Adjacent sequences: A083472 A083473 A083474 this_sequence A083476 A083477 A083478`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy and Meenakshi Sirkanth (amarnath_murthy(AT)yahoo.com), May 03 2003`
	EXTENSIONS	`More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Nov 15 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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