id:A154575 - OEIS Search Results

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a(n)=2n^2+12n+4

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18, 36, 58, 84, 114, 148, 186, 228, 274, 324, 378, 436, 498, 564, 634, 708, 786, 868, 954, 1044, 1138, 1236, 1338, 1444, 1554, 1668, 1786, 1908, 2034, 2164, 2298, 2436, 2578, 2724, 2874, 3028, 3186, 3348, 3514, 3684, 3858, 4036, 4218, 4404, 4594, 4788 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Sixth diagonal [A144562]; 2*a(n)+28 is a square.`
	FORMULA	`a(n)=2n^2+12n+4`
	EXAMPLE	`For n=1, a(1)=18; n=10, a(10)=324`
	CROSSREFS	`Cf. A144562, A153238, A067076` `Sequence in context: A004961 A008600 A131766 this_sequence A011799 A097926 A087967` `Adjacent sequences: A154572 A154573 A154574 this_sequence A154576 A154577 A154578`
	KEYWORD	`nonn`
	AUTHOR	`Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 12 2009`

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

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