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Search: id:A077119
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A077119 A077118(n) - n^3. +0
6
0, 0, 1, -2, 0, -4, 9, 18, 17, 0, 24, -35, 36, 12, -40, -11, 0, -13, -56, 30, -79, -45, -39, -67, 100, 0, 113, -83, -48, -53, -104, 138, -7, 163, -100, -26, 0, -28, -116, 217, 9, 248, -104, 17, 80, 79, 8, -139, 297, 0, 316, -155, 17, 119, 145, 89, -55 (list; graph; listen)
OFFSET

0,4

COMMENT

a(n)=0 iff n = m^(6*k).

FORMULA

a(n) = if A077116(n)<A070929(n) then -A077116(n) else A070929(n).

EXAMPLE

A077118(10)=1024=32^2 is the nearest square to 10^3=1000, therefore a(10)=1024-1000=24.

CROSSREFS

Cf. A000578, A077118, A077111.

|a(n)| = A002938(n).

Sequence in context: A001443 A070015 A021492 this_sequence A002938 A111938 A167341

Adjacent sequences: A077116 A077117 A077118 this_sequence A077120 A077121 A077122

KEYWORD

sign

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 29 2002

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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