A260341 A002107 with the zero terms omitted.

1, -2, -1, 2, 1, 2, -2, -2, -2, 1, 2, 3, -2, 2, -2, -2, -2, -1, 2, 2, -2, 2, 1, 2, 2, -2, -2, 2, -2, -4, 1, -2, 2, 2, 2, 1, -2, 2, 2, -2, -2, -2, 2, -4, -2, -1, 2, 2, -2

Offset: 0

Author

N. J. A. Sloane, Jul 30 2015

Keywords

• sign

Links

• J. W. L. Glaisher, On the square of Euler's series, Proc. London Math. Soc., 21 (1889), 182-194. See Table I.

Crossrefs

Cf. A002107.