id:A135623 - OEIS Search Results

Search: id:A135623

Displaying 1-1 of 1 results found.

page 1

Mersenne primes written backwards.

+0
2

3, 7, 13, 721, 1918, 170131, 782425, 7463847412, 1593963129003485032, 111265944731096246910079816, 721882010875193363312928672952261, 727501488517303786137132964064381141071 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`O. E. Pol, Determinacion geometrica de los numeros primos y perfectos.`
	EXAMPLE	`a(3)=13 because the 3rd Mersenne prime is 31.`
	CROSSREFS	`Cf. A000668, A004087.` `Sequence in context: A082718 A154821 A084741 this_sequence A089305 A112618 A058027` `Adjacent sequences: A135620 A135621 A135622 this_sequence A135624 A135625 A135626`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Feb 17 2008`

page 1

Search completed in 0.002 seconds

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research