A138864 First 3 digits of n-th Mersenne prime A000668(n).

3, 7, 31, 127, 819, 131, 524, 214, 230, 618, 162, 170, 686, 531, 104, 147, 446, 259, 190, 285, 478, 346, 281, 431, 448, 402, 854, 536, 521, 512, 746, 174, 129, 412, 814, 623, 127, 437, 924, 125, 299, 122, 315, 124, 202, 169, 316

Offset

1,1

Links

Table of n, a(n) for n=1..47.

L. C. Noll, Mersenne Prime Digits and Names.

Crossrefs

Cf. A000668, A080173, A104511, A138863, A138864, A138865, A138866.

Sequence in context: A051281 A145038 A354536 * A105768 A084924 A001348

Adjacent sequences: A138861 A138862 A138863 * A138865 A138866 A138867

Keyword

base,nonn

Author

Omar E. Pol, Apr 02 2008

Extensions

a(40)-a(47) from Ivan Panchenko, Aug 03 2018

Status

approved