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A138863 Concatenation of first two digits and last two digits of n-th Mersenne prime A000668(n). 5
33, 77, 3131, 1227, 8191, 1371, 5287, 2147, 2351, 6111, 1627, 1727, 6851, 5327, 1087, 1407, 4451, 2571, 1991, 2807, 4711, 3451, 2891, 4371, 4451, 4011, 8571, 5307, 5207, 5111, 7447, 1787, 1291, 4127, 8111, 6251, 1271, 4391, 9271 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

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

CROSSREFS

Cf. A000668, A080173, A104511, A138816, A138817, A138840, A138841, A138862, A138864, A138865, A138866.

Sequence in context: A248979 A246409 A211837 * A138866 A001987 A094846

Adjacent sequences:  A138860 A138861 A138862 * A138864 A138865 A138866

KEYWORD

base,nonn

AUTHOR

Omar E. Pol, Apr 02 2008

STATUS

approved

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Last modified April 28 18:26 EDT 2017. Contains 285579 sequences.