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

1,1

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..90.

Crossrefs

Sequence in context: A331470 A021809 A210210 * A340129 A213433 A294354

Adjacent sequences: A117004 A117005 A117006 * A117008 A117009 A117010

Keyword

sign

Author

N. J. A. Sloane, Apr 15 2006

Status

approved