

A112634


Mersenne prime indices that are not Gaussian primes.


5



2, 5, 13, 17, 61, 89, 521, 2281, 3217, 4253, 9689, 9941, 11213, 19937, 21701, 23209, 44497, 132049, 859433, 1398269, 2976221, 3021377, 6972593, 13466917, 30402457, 32582657, 42643801, 43112609
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OFFSET

1,1


COMMENTS

57885161, 74207281 and 77232917 are in this sequence as well.  Ivan Panchenko, Apr 13 2018


LINKS



FORMULA



PROG



CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



