Search: id:A096822 Results 1-1 of 1 results found. %I A096822 %S A096822 3,5,3,549755813881,7,5,3,17,47,13,11,41,7,5,3,97,31,29,2011,89,23, %T A096822 536870869,19,17,79,13,11,73,7,5,3,193,191,61,59,953,439,53,179,433,47, %U A096822 173,43,41,167,37,163,929,31,29,67108763,409,23,149,19,17,911,13,11,137 %N A096822 Smallest primes of form p=2^x-(2n-1) where x=A096502[n], the least exponent providing this kind of primes. %e A096822 a[1]=3 is the first Mersenne-prime; %e A096822 a[64]=2^47-127=140737488355201, where 47=A096502[64],127=2*64-1. %Y A096822 Cf. A096502. %Y A096822 Sequence in context: A134771 A080349 A065974 this_sequence A086567 A016611 A073006 %Y A096822 Adjacent sequences: A096819 A096820 A096821 this_sequence A096823 A096824 A096825 %K A096822 nonn %O A096822 1,1 %A A096822 Labos E. (labos(AT)ana.sote.hu), Jul 13 2004 Search completed in 0.001 seconds