A080844 G.f. is F^2, where F is g.f. for Fibonacci word (A003849).

0, 0, 1, 0, 0, 2, 0, 2, 1, 0, 4, 0, 1, 4, 0, 4, 2, 0, 7, 0, 4, 4, 0, 8, 1, 2, 8, 0, 7, 4, 0, 12, 0, 4, 9, 0, 10, 4, 1, 14, 0, 8, 8, 0, 15, 2, 4, 14, 0, 12, 7, 0, 20, 0, 9, 12, 0, 18, 4, 4, 19, 0, 14, 10, 0, 24, 1, 8, 18, 0, 19, 8, 2, 26, 0, 14, 15, 0, 26, 4, 7, 24, 0, 20, 12, 0, 33, 0, 12, 22, 0, 26, 9

Offset

0,6

Links

Table of n, a(n) for n=0..92.

Example

G.f.: (x+x^4+x^6+x^9+x^12+x^14+x^17+x^19+x^22+...)^2.

Crossrefs

Cf. A003849, A080845.

Sequence in context: A074905 A058548 A157030 * A321428 A362615 A362614

Adjacent sequences: A080841 A080842 A080843 * A080845 A080846 A080847

Keyword

nonn

Author

N. J. A. Sloane, Mar 29 2003

Status

approved