id:A090223 - OEIS Search Results

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Nonnegative integers with doubled multiples of 4.

+0
3

0, 0, 1, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 12, 13, 14, 15, 16, 16, 17, 18, 19, 20, 20, 21, 22, 23, 24, 24, 25, 26, 27, 28, 28, 29, 30, 31, 32, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, 40, 41, 42, 43, 44, 44, 45, 46, 47, 48, 48, 49, 50, 51, 52, 52, 53, 54, 55, 56, 56, 57, 58 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`Degrees of row-polynomials of array A090222.`
	FORMULA	`a(n)= floor(4n/5).` `G.f.: (x^2)(1+x^2)(1+x)/((1-x^5)(1-x)) = (x^2)(1-x^4)/((1-x^5)(1-x)^2).`
	CROSSREFS	`Cf. A057353 and other floors of ratios references there.` `Sequence in context: A053756 A003004 A120507 this_sequence A109401 A056847 A105598` `Adjacent sequences: A090220 A090221 A090222 this_sequence A090224 A090225 A090226`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 01 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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