A072005 - OEIS

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A072005

Smallest solution to GCD(x,Rev(x)) = 3^n.

1, 3, 9, 2889, 2899999989, 4899999987, 19899999972, 29898999693, 49989958299, 49999917897, 99884394999, 372797889885, 1989767716659, 2678052898989, 17902896898419 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	FORMULA	`a(n) = A069554(3^n).`
	EXAMPLE	`n=4, 3^4=81, a(4)=2899999989=3.3.3.3.35802469, Rev[a(4)]=2.3.3.3.3.61111111; GCD=81=3^n.`
	CROSSREFS	`Cf. A004086, A055483, A069554, A071686.` `Sequence in context: A112725 A060712 A122463 * A060377 A027896 A116620` `Adjacent sequences: A072002 A072003 A072004 * A072006 A072007 A072008`
	KEYWORD	`nonn,base`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jun 04 2002`

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.