A135175 - OEIS

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A135175

5^p + 3^p - 2^p, where p = prime(n).

30, 144, 3336, 80184, 49003224, 1222289256, 763068462216, 19074648065304, 11921023089868344, 186264583552936197096, 4656613490748641378424, 72759576592118027485247016, 45474735125119406073899483976, 1136868377544417255992242883544, 710542735786689000089344282510584 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..15.`
	FORMULA	`p=A000040(n): a(n)= 5^p + 3^p - 2^p.`
	EXAMPLE	`a(4)=80184 because the 4th prime number is 7, 5^7=78125, 3^7=2187, 2^7=128 and 78125+2187-128=80184.`
	MATHEMATICA	`5^#+3^#-2^#&/@Prime[Range[20]] (* From Harvey P. Dale, Apr 04 2011 *)`
	PROG	`(MAGMA)[5^p+3^p-2^p: p in PrimesUpTo(100)][From V. Librandi, Dec 14 2010]`
	CROSSREFS	`Cf. 2^p: A034785. 3^p: A057901. 2^5: A057902.` `Sequence in context: A218407 A124958 A126417 * A186895 A185480 A206040` `Adjacent sequences: A135172 A135173 A135174 * A135176 A135177 A135178`
	KEYWORD	`nonn`
	AUTHOR	`Omar E. Pol, Nov 25 2007`
	EXTENSIONS	`More terms from Vincenzo Librandi, Dec 14 2010`
	STATUS	`approved`

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Last modified May 22 21:43 EDT 2013. Contains 225583 sequences.