A290975 Expansion of 1 - x/(1 - x^4/(1 - x^9/(1 - x^16/(1 - x^25/(1 - x^36/(1 - ... - x^(n^2)/(1 - ...))))))), a continued fraction.

1, -1, 0, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, -1, -1, 0, 0, -1, -2, 0, 0, -1, -3, -1, 0, -1, -4, -3, 0, -1, -6, -6, -1, -1, -8, -10, -4, -1, -10, -17, -10, -2, -12, -27, -20, -6, -15, -40, -38, -16, -19, -56, -68, -36, -27, -79, -114, -75, -45, -109, -180, -147, -84

Offset

0,19

Links

Table of n, a(n) for n=0..62.

Formula

Convolution inverse of A206739.

Example

G.f. = 1 - x - x^5 - x^9 - x^13 - x^14 - x^17 - 2*x^18 - ...

Crossrefs

Cf. A206739.

Sequence in context: A137586 A291170 A275001 * A367145 A291678 A286180

Adjacent sequences: A290972 A290973 A290974 * A290976 A290977 A290978

Keyword

sign

Author

Seiichi Manyama, Aug 16 2017

Status

approved