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A160233
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n is a member of A002183 but 2n is not.
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0
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1280, 1600, 4800, 28672, 131072, 688128, 6881280, 7864320, 39321600, 43253760, 94371840, 201326592, 528482304, 9663676416, 115964116992, 241591910400, 265751101440, 347892350976, 811748818944, 3522410053632, 4174708211712
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 1280 qualifies because 1280 is a member of A002183 but 1280*2=2560 is not.
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MATHEMATICA
| (* capture the terms in the b002183.txt file: "Number of divisors of n-th highly composite number" and assign it to the variable 's' *) Select[ Take[s, 964], !MemberQ[s, 2 # ] &] [From Robert G. Wilson v (rgwv(AT)rgwv.com), May 09 2009]
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CROSSREFS
| Cf. A002183.
Sequence in context: A190831 A202643 A031798 * A090006 A170784 A084803
Adjacent sequences: A160230 A160231 A160232 * A160234 A160235 A160236
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KEYWORD
| nonn
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AUTHOR
| J. Lowell (jhbubby(AT)mindspring.com), May 04 2009
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EXTENSIONS
| More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), May 09 2009
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