A117007 A117000(8*n-1) - A117001(8*n-1).

2, -4, 2, 2, -4, 2, -8, 10, 2, 2, -4, -8, 2, -4, 16, 2, 4, -20, 2, -4, 2, 6, -4, 2, 2, 14, -8, 2, -12, 2, -24, 16, 2, 2, 14, 16, -8, -4, 2, -20, -4, -8, 16, -12, 2, 2, 16, 2, 36, -28, -20, -8, 14, 2, 2, -4, -20, 2, -4, 2, 2, 12, 2, 16, -4, 36, -8, -4, -36, -24, -14, 38, -20, -4, 2, 2, 16, 16, 2, 14, 2, -8, 4, -20, 16, -4, -8, -36, 14, 2

Offset: 1

Author

N. J. A. Sloane, Apr 15 2006

Keywords

• sign

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.