A117008 (A117000(8*n-1) - A117001(8*n-1))/2.

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

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

Table of n, a(n) for n=1..97.

Crossrefs

Sequence in context: A106052 A050473 A057593 * A337366 A153917 A326407

Adjacent sequences: A117005 A117006 A117007 * A117009 A117010 A117011

Keyword

sign

Author

N. J. A. Sloane, Apr 15 2006

Status

approved