A092278 Floor( (3*n+4)/16 ).

0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 16, 16

Offset

0,11

References

J. O'Rourke, Art Gallery Theorems and Algorithms, Oxford Univ. Press, 1987, p. 82.

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Formula

Empirical g.f.: x^4*(x^11+x^6+1) / (x^17-x^16-x+1). - Colin Barker, Jul 30 2013

Mathematica

Floor[(3*Range[0, 90]+4)/16] (* Harvey P. Dale, Nov 07 2021 *)

Crossrefs

Sequence in context: A133875 A104355 A235402 * A105512 A301506 A002266

Adjacent sequences: A092275 A092276 A092277 * A092279 A092280 A092281

Keyword

nonn

Author

N. J. A. Sloane, Feb 18 2004

Status

approved