id:A140730 - OEIS Search Results

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a(4*n)=5^n, a(4*n+1)=2*5^n, a(4*n+2)=3*5^n, a(4*n+3)=4*5^n.

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	OFFSET	`0,2`
	COMMENT	`a(n) = A140740(n+4,4).`
	FORMULA	`a(n+1) = a(n) + a(n - n mod 4).` `O.g.f.: (1+2x+3x^2+4x^3)/(1-5x^4). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 31 2008`
	CROSSREFS	`Cf. A000079, A038754, A133464, A037124.` `Sequence in context: A032940 A064419 A032543 this_sequence A134220 A099161 A033077` `Adjacent sequences: A140727 A140728 A140729 this_sequence A140731 A140732 A140733`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 26 2008`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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