A156558 - OEIS

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A156558

a(n)=Sum{k=1..n}{n^k mod (n-k+1)}

0, 0, 0, 1, 1, 4, 1, 7, 5, 11, 10, 18, 11, 31, 22, 31, 39, 61, 51, 46, 55, 79, 73, 95, 84, 119, 122, 123, 118, 149, 82, 194, 186, 203, 182, 221, 169, 226, 257, 251, 287, 290, 242, 315, 338, 361, 420, 439, 399, 373, 362, 450, 616, 525, 536, 515, 514, 699, 669, 664, 561 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	MAPLE	`P:=proc(i) local a, n; for n from 0 by 1 to i do a:=sum('(n^k mod (n-k+1))', 'k'=1..n); print(a); od; end: P(100);`
	CROSSREFS	`A156556, A156557, A156559` `Sequence in context: A019651 A094649 A135857 * A082455 A078975 A050411` `Adjacent sequences: A156555 A156556 A156557 * A156559 A156560 A156561`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paolo P. Lava & Giorgio Balzarotti (paoloplava(AT)gmail.com), Feb 10 2009`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.