id:A108174 - OEIS Search Results

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Partial sums of the positive integers n according to the rule: if n is square then subtract n else add n.

+0
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0, -1, 1, 4, 0, 5, 11, 18, 26, 17, 27, 38, 50, 63, 77, 92, 76, 93, 111, 130, 150, 171, 193, 216, 240, 215, 241, 268, 296, 325, 355, 386, 418, 451, 485, 520, 484, 521, 559, 598, 638, 679, 721, 764, 808, 853, 899, 946, 994, 945, 995, 1046, 1098, 1151, 1205, 1260, 1316, 1373, 1431, 1490, 1550, 1611, 1673, 1736, 1672 (list; graph; listen)

	OFFSET	`0,4`
	PROGRAM	`(PARI) g(n) = s=0; for(x=0, n, if(issquare(x), s-=x, s+=x); print1(s", "))`
	CROSSREFS	`Sequence in context: A102293 A021965 A064520 this_sequence A134530 A126813 A056141` `Adjacent sequences: A108171 A108172 A108173 this_sequence A108175 A108176 A108177`
	KEYWORD	`easy,sign`
	AUTHOR	`Cino Hilliard (hillcino368(AT)gmail.com), Jun 13 2005`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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