id:A053616 - OEIS Search Results

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Pyramidal sequence: distance to nearest triangular number.

+0
2

0, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 2, 1, 0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 3, 2, 1, 0, 1, 2, 3, 4, 3, 2, 1, 0, 1, 2, 3, 4, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 6, 5, 4, 3, 2, 1 (list; graph; listen)

	OFFSET	`0,9`
	EXAMPLE	`a(12)=\|12-10\|=2 since 10 is the nearest triangular number to 12`
	CROSSREFS	`Cf. A000217, A002262, A053188.` `Sequence in context: A080940 A080941 A114021 this_sequence A094718 A076191 A025861` `Adjacent sequences: A053613 A053614 A053615 this_sequence A053617 A053618 A053619`
	KEYWORD	`easy,nice,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Mar 20 2000`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

AT&T Labs Research