id:A154600 - OEIS Search Results

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a(n)=2n^2+22n+9

+0
2

33, 61, 93, 129, 169, 213, 261, 313, 369, 429, 493, 561, 633, 709, 789, 873, 961, 1053, 1149, 1249, 1353, 1461, 1573, 1689, 1809, 1933, 2061, 2193, 2329, 2469, 2613, 2761, 2913, 3069, 3229, 3393, 3561, 3733, 3909, 4089, 4273, 4461, 4653, 4849, 5049, 5253 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Eleventh diagonal [A144562]; 2*a(n)+103 is a square.`
	FORMULA	`a(n)=2n^2+22n+9`
	EXAMPLE	`For n=1, a(1)=33; n=10, a(10)=429`
	CROSSREFS	`Cf. A144562, A153238, A067076` `Sequence in context: A043983 A080673 A140156 this_sequence A100593 A115160 A053179` `Adjacent sequences: A154597 A154598 A154599 this_sequence A154601 A154602 A154603`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 12 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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