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A140528 Sum of digits of Mersenne prime exponents. 0
2, 3, 5, 7, 4, 8, 10, 4, 7, 17, 8, 10, 8, 13, 19, 7, 13, 13, 14, 13, 32, 23, 8, 29, 11, 16, 28, 23, 10, 19, 19, 38, 32, 37, 38, 29, 23, 41, 25, 38 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A000043.

Sequence in context: A082196 A126049 A082331 * A065037 A101438 A103683

Adjacent sequences:  A140525 A140526 A140527 * A140529 A140530 A140531

KEYWORD

nonn,base

AUTHOR

Edmund Algeo (nostromo17(AT)gmail.com), Jul 03 2008

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Last modified February 14 15:39 EST 2012. Contains 205635 sequences.