id:A007893 - OEIS Search Results

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A Kutz sequence.

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1, 4, 9, 16, 1, 4, 9, 16, 25, 4, 9, 16, 25, 36, 9, 16, 25, 36, 49, 16, 25, 36, 49, 64, 25, 36, 49, 64, 81, 36, 49, 64, 81, 100, 49, 64, 81, 100, 121, 64, 81, 100, 121, 144, 81, 100, 121, 144, 169, 100, 121, 144, 169, 196, 121, 144, 169, 196, 225, 144, 169, 196 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`R. E. Kutz, Two unusual sequences, Two-Year College Mathematics Journal, 12 (1981), 316-319.`
	FORMULA	`The pattern is obvious!` `a(n) = (n-4*[ n/5 ])^2 - Michael Somos`
	CROSSREFS	`Sequence in context: A070447 A106548 A106546 this_sequence A070446 A070445 A070444` `Adjacent sequences: A007890 A007891 A007892 this_sequence A007894 A007895 A007896`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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