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A117008 (A117000(8*n-1) - A117001(8*n-1))/2. 0
1, -2, 1, 1, -2, 1, -4, 5, 1, 1, -2, -4, 1, -2, 8, 1, 2, -10, 1, -2, 1, 3, -2, 1, 1, 7, -4, 1, -6, 1, -12, 8, 1, 1, 7, 8, -4, -2, 1, -10, -2, -4, 8, -6, 1, 1, 8, 1, 18, -14, -10, -4, 7, 1, 1, -2, -10, 1, -2, 1, 1, 6, 1, 8, -2, 18, -4, -2, -18, -12, -7, 19, -10, -2, 1, 1, 8, 8, 1, 7, 1, -4, 2, -10, 8, -2, -4, -18, 7, 1, 1, -6, 1, 1, 10, -12, 21 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
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.
LINKS
CROSSREFS
Sequence in context: A106052 A050473 A057593 * A337366 A153917 A326407
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Apr 15 2006
STATUS
approved

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)