A255345 Numbers n such that 90n + 31 is a Mersenne prime.

0, 1456, 6877444662696557082772912, 76275529557006774610910008878682146858549281112703393437716260657617146482196178356917329340682828388636625682127565089301355422219073820139711425456833968

Offset: 1

Author

J. W. Helkenberg, Feb 21 2015

Keywords

• nonn

Comments

Always an even number. Aside from the first term, appears to always have a last digit of 2, 4, 6 or 8. n for M3, M6, M10 and M13 are represented here, while n for M19, M21, M22 are too large for this list.

Crossrefs

Cf. A000668. Subsequence of A201819. Shares at least one term (0) with A224856.