id:A136598 - OEIS Search Results

Search: id:A136598

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G.f.: (2*x^3 + 5) / ( -x^5 + x^3 + 1).

+0
1

5, 0, 0, -3, 0, 5, 3, 0, -8, -3, 5, 11, 3, -13, -14, 2, 24, 17, -15, -38, -15, 39, 55, 0, -77, -70, 39, 132, 70, -116, -202, -31, 248, 272, -85, -450, -303, 333, 722, 218, -783, -1025, 115, 1505, 1243, -898, -2530, -1128, 2403, 3773, 230, -4933, -4901, 2173, 8706, 5131, -7106, -13607 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(n) = -a(n-3) + a(n-5).`
	PROGRAM	`(PARI) {a(n) = if( n<0, n = 1 - n; polsym(x^5 - x^3 - 1, n)[n], n++; polsym(x^5 + x^2 - 1, n)[n])}`
	CROSSREFS	`A133394(n) = a(-n).` `Adjacent sequences: A136595 A136596 A136597 this_sequence A136599 A136600 A136601` `Sequence in context: A047754 A048682 A099224 this_sequence A105077 A073231 A099223`
	KEYWORD	`sign`
	AUTHOR	`Michael Somos, Jan 11 2008`

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Last modified January 7 17:35 EST 2009. Contains 152824 sequences.

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