A047873 - OEIS

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A047873

a(n) = max_{r=1_to_n-1} { ceiling(t[ t(n)-t(r-1) ] / (n-r+1)), t() = triangular numbers A000217.

1, 3, 8, 15, 27, 43, 65, 94, 130, 175, 229, 294, 369, 456, 557, 671, 800, 944, 1105, 1283, 1479, 1695, 1930, 2187, 2465, 2765, 3090, 3439, 3813, 4213, 4641, 5096, 5580, 6095, 6639, 7216, 7825, 8466, 9143, 9855 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Another lower bound for Honaker triangle problem (A047837); conjectured to be exact value.`
	CROSSREFS	`Cf. A047837, A047866.` `Sequence in context: A034828 A081276 A047837 * A036419 A054107 A097589` `Adjacent sequences: A047870 A047871 A047872 * A047874 A047875 A047876`
	KEYWORD	`easy,nonn`
	AUTHOR	`Mike Keith (domnei(AT)aol.com)`

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.