id:A046486 - OEIS Search Results

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Numbers n such that sum of the first n palindromes is a palindrome.

+0
4

1, 2, 3, 12, 16, 47, 314 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`P. De Geest, World!Of Numbers`
	EXAMPLE	`a(n)=47 so 1+2+3+...+373+383 (47 terms) = 7557.`
	CROSSREFS	`Cf. A002113, A046487, A046488.` `Adjacent sequences: A046483 A046484 A046485 this_sequence A046487 A046488 A046489` `Sequence in context: A124486 A123761 A047163 this_sequence A073452 A112976 A100570`
	KEYWORD	`nonn,hard`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.`

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.