id:A078501 - OEIS Search Results

Search: id:A078501

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a(n) = sum(k=1,n^2, A078446(k)).

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1, 7, 26, 78, 211, 537, 1312, 3112, 7217, 16443, 36934, 82002, 180319, 393325, 852092, 1835148, 3932317, 8388783, 17825986, 37748950, 79692011, 167772417, 352321816, 738197808, 1543504201, 3221225827, 6710886782, 13958644122 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n) = 2(n-2)2^n + n*(n+1)/2 + 4`
	PROGRAM	`(PARI) a(n)=2(n-2)2^n +n*(n+1)/2+4`
	CROSSREFS	`Sequence in context: A006325 A053346 A027964 this_sequence A027937 A135026 A027138` `Adjacent sequences: A078498 A078499 A078500 this_sequence A078502 A078503 A078504`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 04 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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