id:A145283 - OEIS Search Results

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a(n) = number of monomials in n-th power of polynomial x^3-x-1

+0
1

3, 6, 9, 11, 14, 18, 21, 23, 27, 30, 33, 36, 39, 42, 43, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 101, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 177, 180, 183 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=Length[(x^3-x-1)^n]`
	MATHEMATICA	`a = {}; k = x^3 - x - 1; m = k; Do[AppendTo[a, Length[m]]; m = Expand[mk], {n, 1, 100}]; a (Artur Jasinski*)`
	CROSSREFS	`Sequence in context: A136616 A121384 A151926 this_sequence A101723 A113944 A103695` `Adjacent sequences: A145280 A145281 A145282 this_sequence A145284 A145285 A145286`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Oct 06 2008`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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