A084079 - OEIS

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A084079

Sum of absolute values of lists created by n substitutions k -> Range[ -Abs[k+1],Abs[k-1],2] starting with {1}.

1, 2, 7, 16, 53, 130, 431, 1104, 3689, 9730, 32775, 88288, 299501 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	COMMENTS	`Sums of absolute of sublists from A084075.`
	LINKS	`Table of n, a(n) for n=0..12.`
	EXAMPLE	`Sums of absolute values of {1}, {-2,0}, {-1,1,3,-1,1}, {0,2,-2,0,-4,-2,0,2,0,2,-2,0} are 1,2,7,16`
	MATHEMATICA	`Plus@@@Abs/@Flatten/@NestList[ # /. k_Integer :> Range[ -Abs[k+1], Abs[k-1], 2]&, {1}, 12]`
	CROSSREFS	`Cf. A084075.` `Sequence in context: A164267 A184352 A000512 * A042689 A073998 A129444` `Adjacent sequences: A084076 A084077 A084078 * A084080 A084081 A084082`
	KEYWORD	`nonn`
	AUTHOR	`Wouter Meeussen, May 11 2003`
	STATUS	`approved`

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Last modified May 22 23:12 EDT 2013. Contains 225585 sequences.