id:A081585 - OEIS Search Results

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Third row of Pascal-(1,3,1) array A081578.

+0
3

1, 9, 33, 73, 129, 201, 289, 393, 513, 649, 801, 969, 1153, 1353, 1569, 1801, 2049, 2313, 2593, 2889, 3201, 3529, 3873, 4233, 4609, 5001, 5409, 5833, 6273, 6729, 7201, 7689, 8193, 8713, 9249, 9801, 10369, 10953, 11553, 12169, 12801, 13449, 14113 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=1+8n^2. G.f.: (1+3x)^2/(1-x)^3.`
	CROSSREFS	`Cf. A016813, A081586.` `Adjacent sequences: A081582 A081583 A081584 this_sequence A081586 A081587 A081588` `Sequence in context: A046895 A092562 A103602 this_sequence A101990 A005920 A020324`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 23 2003`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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