id:A086970 - OEIS Search Results

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Fix 1, then pair-reverse the following odd numbers.

+0
1

1, 5, 3, 9, 7, 13, 11, 17, 15, 21, 19, 25, 23, 29, 27, 33, 31, 37, 35, 41, 39, 45, 43, 49, 47, 53, 51, 57, 55, 61, 59, 65, 63, 69, 67, 73, 71, 77, 75, 81, 79, 85, 83, 89, 87, 93, 91, 97, 95, 101, 99, 105, 103, 109, 107, 113, 111, 117, 115, 121, 119 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums are A086955.` `Except for the first term, a(n)=4*n-a(n-1), (with a(1)=5) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 17 2009]`
	FORMULA	`G.f.: (1+4x-3x^2+2x^3)/((1+x)(1-x)^2)`
	CROSSREFS	`Cf. A004442.` `Sequence in context: A161501 A118273 A073891 this_sequence A019955 A075693 A082454` `Adjacent sequences: A086967 A086968 A086969 this_sequence A086971 A086972 A086973`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 26 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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