id:A076132 - OEIS Search Results

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a(1) = 1; for n > 1, a(n) = Sum{a(n-k)^k | 0<k<n}.

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1, 1, 2, 4, 10, 36, 218, 2804, 108074, 20114564, 36066331898, 1729247065742228, 9575643422153401723466, 50068381739089423185661226445092, 5264344550636729304011557445558608029761914394 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`a(5) = a(1)^4 + a(2)^3 + a(3)^2 + a(4)^1 = 1^4 + 1^3 + 2^2 + 4^1 = 10.`
	CROSSREFS	`Sequence in context: A006396 A066278 A002577 this_sequence A047142 A081080 A109460` `Adjacent sequences: A076129 A076130 A076131 this_sequence A076133 A076134 A076135`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 30 2002`
	EXTENSIONS	`Corrected by Don Reble (djr(AT)nk.ca), Nov 20 2006`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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