A290976 Expansion of 1 - x/(1 - x^3/(1 - x^6/(1 - x^10/(1 - x^15/(1 - x^21/(1 - ... - x^(n*(n+1)/2)/(1 - ...))))))), a continued fraction.

1, -1, 0, 0, -1, 0, 0, -1, 0, 0, -2, 0, 0, -3, 0, 0, -5, 0, 0, -8, -1, 0, -13, -2, 0, -21, -5, 0, -34, -10, -1, -55, -20, -2, -89, -39, -6, -144, -73, -13, -234, -135, -29, -379, -245, -62, -617, -440, -126, -1003, -784, -253, -1636, -1383, -494, -2673, -2429, -952

Offset

0,11

Links

Table of n, a(n) for n=0..57.

Formula

Convolution inverse of A206740.

Example

G.f. = 1 - x - x^4 - x^7 - 2*x^10 - 3*x^13 - 5*x^16 - 8*x^19 - ...

Crossrefs

Cf. A206740.

Sequence in context: A175676 A035377 A136274 * A114699 A182797 A212163

Adjacent sequences: A290973 A290974 A290975 * A290977 A290978 A290979

Keyword

sign

Author

Seiichi Manyama, Aug 16 2017

Status

approved