id:A045972 - OEIS Search Results

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a(1)=9; if n = Product p_i^e_i, n>1, then a(n) = Product p_{i+2}^{e_i+1}.

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9, 25, 49, 125, 121, 1225, 169, 625, 343, 3025, 289, 6125, 361, 4225, 5929, 3125, 529, 8575, 841, 15125, 8281, 7225, 961, 30625, 1331, 9025, 2401, 21125, 1369, 148225, 1681, 15625, 14161, 13225, 20449, 42875, 1849, 21025, 17689, 75625, 2209, 207025 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`From a puzzle proposed by Marc LeBrun (mlb(AT)well.com).`
	CROSSREFS	`Sequence in context: A109367 A110588 A038771 this_sequence A112629 A031162 A147160` `Adjacent sequences: A045969 A045970 A045971 this_sequence A045973 A045974 A045975`
	KEYWORD	`easy,nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`More terms from David W. Wilson (davidwwilson(AT)comcast.net).`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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