A291169 Expansion of 1/(1 + x/(1 + x^8/(1 + x^27/(1 + x^64/(1 + x^125/(1 + ... + x^(k^3)/(1 + ...))))))), a continued fraction.

1, -1, 1, -1, 1, -1, 1, -1, 1, 0, -1, 2, -3, 4, -5, 6, -7, 7, -6, 4, -1, -3, 8, -14, 21, -28, 34, -38, 39, -36, 28, -14, -7, 35, -69, 107, -147, 184, -213, 228, -222, 188, -120, 14, 133, -318, 533, -764, 990, -1183, 1309, -1330, 1204, -892, 363, 400, -1393, 2584

Offset: 0

Author

Seiichi Manyama, Aug 19 2017

Keywords

• sign

Examples

			G.f.: 1 - x + x^2 - x^3 + x^4 - x^5 + x^6 - x^7 + x^8 - x^10 + 2*x^11 - 3*x^12 + ...
		

Crossrefs

Cf. A007325, A285408.