A080845 G.f. is 1/F, where x*F is g.f. for Fibonacci word (A003849).

1, 0, 0, -1, 0, -1, 1, 0, 1, -1, 1, -2, 1, -2, 3, -2, 4, -4, 3, -6, 6, -6, 9, -8, 10, -14, 13, -17, 20, -20, 28, -30, 32, -43, 44, -52, 66, -67, 83, -99, 105, -132, 149, -165, 205, -226, 261, -315, 345, -410, 482, -534, 640, -735, 831, -994, 1126, -1295, 1532, -1731, 2019, -2357, 2671, -3135, 3622, -4138, 4857

Offset

0,12

Links

Table of n, a(n) for n=0..66.

Example

G.f.: 1/((x+x^4+x^6+x^9+x^12+x^14+x^17+x^19+x^22+...)/x).

Crossrefs

Cf. A003849, A080844.

Sequence in context: A192185 A246833 A213624 * A290370 A029166 A096920

Adjacent sequences: A080842 A080843 A080844 * A080846 A080847 A080848

Keyword

sign

Author

N. J. A. Sloane, Mar 29 2003

Status

approved