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A153798 a(n) = A000043(n)-2. 0
0, 1, 3, 5, 11, 15, 17, 29, 59, 87, 105, 125, 519, 605, 1277, 2201, 2279, 3215, 4251, 4421, 9687, 9939, 11211, 19935, 21699, 23207, 44495, 86241, 110501, 132047, 216089, 756837, 859431, 1257785, 1398267, 2976219, 3021375, 6972591, 13466915 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Base 2 logarithm of A134708(n).

CROSSREFS

Cf. A000043, A014635, A134708.

Sequence in context: A048702 A003546 A082421 * A105772 A034169 A136977

Adjacent sequences:  A153795 A153796 A153797 * A153799 A153800 A153801

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jan 20 2009

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Last modified February 16 05:51 EST 2012. Contains 205860 sequences.