A036408 - OEIS

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A036408

Ceiling(n^2/10).

0, 1, 1, 1, 2, 3, 4, 5, 7, 9, 10, 13, 15, 17, 20, 23, 26, 29, 33, 37, 40, 45, 49, 53, 58, 63, 68, 73, 79, 85, 90, 97, 103, 109, 116, 123, 130, 137, 145, 153, 160, 169, 177, 185, 194, 203, 212, 221, 231, 241, 250, 261, 271, 281, 292, 303, 314, 325 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	FORMULA	`a(n)= +2a(n-1) -a(n-2) +a(n-10) -2a(n-11) +a(n-12). G.f. -x(1-x+x^7-x^9+x^10+x^3) / ( (1+x)(x^4+x^3+x^2+x+1)(x^4-x^3+x^2-x+1)(x-1)^3 ). - R. J. Mathar, Jan 22 2011`
	CROSSREFS	`Sequence in context: A077273 A032955 A060526 * A055600 A139528 A178434` `Adjacent sequences: A036405 A036406 A036407 * A036409 A036410 A036411`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 21:27 EST 2012. Contains 205859 sequences.