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A073874 A073872(n)/n. 2
1, 3, 1, 7, 2, 6, 3, 15, 5, 19, 5, 23, 6, 15, 1, 31, 8, 21, 9, 15, 5, 3, 11, 22, 13, 30, 13, 42, 14, 21, 15, 63, 7, 39, 17, 71, 18, 42, 19, 52, 20, 83, 21, 35, 22, 51, 23, 95, 25, 57, 3, 103, 26, 60, 27, 111, 29, 66, 29, 91, 30, 69, 31, 127, 33, 75, 33, 105, 15, 51, 35, 143 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Which integers occur in the sequence? The first 4 unknown values are 4, 10, 16 and 24, which do not occur for n up to 20000.

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

Cf. A073872, A073873.

Sequence in context: A169659 A091724 A016576 * A065287 A065263 A057114

Adjacent sequences:  A073871 A073872 A073873 * A073875 A073876 A073877

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Aug 16 2002

EXTENSIONS

Edited by Dean Hickerson, Oct 15 2002

STATUS

approved

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Last modified December 7 14:52 EST 2016. Contains 278877 sequences.