id:A028554 - OEIS Search Results

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Palindromes of form n(n+3).

+0
3

0, 4, 88, 868, 4554, 8008, 45154, 89698, 452254, 4526254, 8996998, 830333038, 862626268, 899969998, 4058008504, 45032023054, 45229592254, 89999699998, 405485584504, 4503764673054, 8187727277818, 8999996999998, 89178266287198 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Also: Palindromes that are the sum of consecutive initial even composites. Sequence 4 + 6 + 8 + 10 + 12 + 14 + ... + z = n. For values of z see A058851. (Comment added by author 12/2000).`
	LINKS	`P. De Geest, Palindromic Quasipronics` `P. De Geest, Palindromic Sums 2`
	CROSSREFS	`Cf. A028553, A058851.` `Sequence in context: A116320 A122209 A059577 this_sequence A012830 A012946 A013101` `Adjacent sequences: A028551 A028552 A028553 this_sequence A028555 A028556 A028557`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`

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Last modified July 25 02:12 EDT 2008. Contains 142294 sequences.

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