id:A161462 - OEIS Search Results

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Final digit of sum of all the natural numbers from n to 2*n-1.

+0
1

1, 5, 2, 2, 5, 1, 0, 2, 7, 5, 6, 0, 7, 7, 0, 6, 5, 7, 2, 0, 1, 5, 2, 2, 5, 1, 0, 2, 7, 5, 6, 0, 7, 7, 0, 6, 5, 7, 2, 0, 1, 5, 2, 2, 5, 1, 0, 2, 7, 5, 6, 0, 7, 7, 0, 6, 5, 7, 2, 0, 1, 5, 2, 2, 5, 1, 0, 2, 7, 5, 6, 0, 7, 7, 0, 6, 5, 7, 2, 0, 1, 5, 2, 2, 5, 1, 0, 2, 7, 5, 6, 0, 7, 7, 0, 6, 5, 7, 2, 0, 1, 5, 2, 2, 5 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`If n=1, then a(1)=1. If n=2 and 2+3=5, then a(2)=5. if n=3 and 3+4+5=12, then a(3)=2, etc.`
	CROSSREFS	`Cf. A000027.` `Sequence in context: A070962 A090125 A093008 this_sequence A164557 A153842 A125136` `Adjacent sequences: A161459 A161460 A161461 this_sequence A161463 A161464 A161465`
	KEYWORD	`nonn,base`
	AUTHOR	`Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jun 10 2009`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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