id:A058990 - OEIS Search Results

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Smallest power of two whose reversal of its n-th power is a prime.

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2, 4, 256, 2, 2, 16, 2, 8, 32, 2, 32, 4, 268435456, 32, 8, 37942751801283770916395740367646853645359508575237100024449461127712974320414228\ 48, 2, 4951760157141521099596496896 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Do[k = 2; While[ ! PrimeQ[ ToExpression[ StringReverse[ ToString[k^n] ] ] ], k *= 2]; Print[k], {n, 1, 18} ]`
	CROSSREFS	`Sequence in context: A005275 A009673 A018770 this_sequence A012437 A012434 A012368` `Adjacent sequences: A058987 A058988 A058989 this_sequence A058991 A058992 A058993`
	KEYWORD	`nonn,base`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 16 2001`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research