The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A267184 Row 4 of the square array in A267181. 0
 1, 4, 2, 5, 0, 5, 3, 6, 1, 6, 4, 7, 2, 7, 5, 8, 3, 8, 6, 9, 4, 9, 7, 10, 5, 10, 8, 11, 6, 11, 9, 12, 7, 12, 10, 13, 8, 13, 11, 14, 9, 14, 12, 15, 10, 15, 13, 16, 11, 16, 14, 17, 12, 17, 15, 18, 13, 18, 16, 19, 14, 19, 17, 20, 15, 20, 18, 21, 16, 21, 19, 22, 17, 22, 20, 23, 18, 23, 21, 24, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS FORMULA Conjectures from Colin Barker, Jan 29 2016: (Start) a(n) = a(n-1)+a(n-4)-a(n-5) for n>5. G.f.: (1+3*x-2*x^2+3*x^3-6*x^4+2*x^5) / ((1-x)^2*(1+x)*(1+x^2)). (End) CROSSREFS Cf. A267181. Sequence in context: A348640 A094099 A107046 * A275927 A072907 A250719 Adjacent sequences:  A267181 A267182 A267183 * A267185 A267186 A267187 KEYWORD nonn AUTHOR N. J. A. Sloane, Jan 17 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 26 11:22 EST 2022. Contains 350598 sequences. (Running on oeis4.)