A068890 - OEIS

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A068890

a(1) = 1; a(n) = smallest nontrivial n-th power with property that digits alternate in parity.

1, 4, 8, 16, 32, 729, 2187, 256 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Conjecture: the sequence is finite.`
	CROSSREFS	`Cf. A030152, A068891.` `Sequence in context: A089890 A049932 A020161 * A073856 A019458 A040014` `Adjacent sequences: A068887 A068888 A068889 * A068891 A068892 A068893`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 20 2002`

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Last modified February 16 14:02 EST 2012. Contains 205922 sequences.