id:A045968 - OEIS Search Results

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a(1)=5; if n = Product p_i^e_i, n>1, then a(n) = Product p_{i+3}^e_i.

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5, 7, 11, 49, 13, 77, 17, 343, 121, 91, 19, 539, 23, 119, 143, 2401, 29, 847, 31, 637, 187, 133, 37, 3773, 169, 161, 1331, 833, 41, 1001, 43, 16807, 209, 203, 221, 5929, 47, 217, 253, 4459, 53, 1309, 59, 931, 1573, 259, 61, 26411, 289, 1183, 319, 1127, 67, 9317, 247 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`From a puzzle proposed by Marc LeBrun (mlb(AT)well.com).`
	CROSSREFS	`Sequence in context: A038976 A106714 A106819 this_sequence A066367 A098036 A127269` `Adjacent sequences: A045965 A045966 A045967 this_sequence A045969 A045970 A045971`
	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 10 00:48 EST 2009. Contains 170565 sequences.

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