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A117009
A117000(8*n+1) + A117001(8*n-1).
0
1, -1, 2, -3, -4, 2, 9, -4, -8, 2, 5, 2, 2, 0, 2, -9, -4, 2, -8, 14, 16, -11, -4, -8, 2, -4, -20, 16, 19, 2, 2, -4, 2, -8, -16, 2, 19, -8, -8, 2, -4, 16, 2, 16, 2, -17, 14, -24, -16, -4, 2, 2, -4, 26, 2, 7, 2, 2, 16, -20, -24, -4, 16, -8, -24, 2, 25, -4, -8, 16, 8, 2, 2, 8, 2, 2, -32, 2, 17, -4, 2, -20, 14, -32, 2, -4, -24, 36, 16, 48
OFFSET
0,3
REFERENCES
H. J. S. Smith, Report on the Theory of Numbers, reprinted in Vol. 1 of his Collected Math. Papers, Chelsea, NY, 1979, see p. 322.
CROSSREFS
Sequence in context: A368698 A324911 A220335 * A204842 A103300 A305402
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Apr 15 2006
STATUS
approved