A091822 - OEIS

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A091822

a(n)=2*sum(k=0,n,sum(i=0,k,sum(j=0,i, A010060(j))))-(1/6)*(n^3+6*n^2+11*n-6).

0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 3, 4, 4, 4, 3, 2, 2, 2, 1, 0, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,5`
	LINKS	`Table of n, a(n) for n=1..100.`
	FORMULA	`a(4n+1)=a(4n+2)=a(4n+3)=2A076826(n); a(8n)=a(8n+4)=2A010060(n)+1`
	CROSSREFS	`Sequence in context: A074829 A060243 A054225 * A173022 A060973 A097915` `Adjacent sequences: A091819 A091820 A091821 * A091823 A091824 A091825`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre, Mar 08 2004`
	STATUS	`approved`

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Last modified May 25 08:17 EDT 2013. Contains 225646 sequences.