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A153801 Index of Mersenne number A000225 that is also Mersenne prime A000668, minus n-th prime: a(n)=A000043(n)-A000040(n). +0
4
0, 0, 0, 0, 2, 4, 2, 12, 38, 60, 76, 90, 480, 564, 1232, 2150, 2222, 3156, 4186, 4352, 9616, 9862, 11130, 19848, 21604, 23108, 44394, 86136, 110394, 131936, 215964, 756708, 859296, 1257648, 1398120, 2976070, 3021220, 6972430, 13466750 (list; graph; listen)
OFFSET

1,5

CROSSREFS

Cf. A000040, A000043, A000668, A000225, A000396, A007691, A153800, A153802, A153803.

Sequence in context: A137777 A006018 A152666 this_sequence A062867 A113539 A152877

Adjacent sequences: A153798 A153799 A153800 this_sequence A153802 A153803 A153804

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jan 13 2009

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 19 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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