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A153798
a(n) = A000043(n)-2.
4
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, 20996009, 24036581
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Base 2 logarithm of A134708(n).
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..48
MATHEMATICA
MersennePrimeExponent[Range[48]] - 2 (* Amiram Eldar, Oct 17 2024 *)
CROSSREFS
Cf. A000043, A014635, A134708.
Sequence in context: A003546 A353395 A082421 * A368101 A316092 A302590
Adjacent sequences: A153795 A153796 A153797 * A153799 A153800 A153801
KEYWORD
nonn
AUTHOR
Omar E. Pol, Jan 20 2009
EXTENSIONS
a(40)-a(41) from Amiram Eldar, Oct 17 2024
STATUS
approved

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Last modified February 25 23:26 EST 2025. Contains 381215 sequences.
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