A139301 - OEIS

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A139301

(2^(2p - 1)/8)-1, where p is a Mersenne prime A000668(n).

3, 1023, 288230376151711743 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`a(n) = (2^(2*A000668(n)-1)/8)-1 = (A139294(n)/8)-1.`
	CROSSREFS	`Sequence in context: A167069 A024046 A152505 * A004803 A065604 A062612` `Adjacent sequences: A139298 A139299 A139300 * A139302 A139303 A139304`
	KEYWORD	`bref,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Apr 13 2008`

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Last modified February 17 02:08 EST 2012. Contains 205978 sequences.