login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184416 Upper s(n)-Wythoff sequence, where s(n)=floor[(n+2)/3].  Complement of A184415. 3
2, 4, 6, 9, 10, 13, 15, 17, 19, 22, 24, 25, 28, 31, 32, 35, 36, 39, 41, 44, 45, 48, 50, 51, 55, 56, 58, 62, 63, 64, 68, 70, 71, 73, 77, 78, 80, 82, 85, 88, 89, 90, 94, 96, 98, 100, 102, 103, 108, 109, 110, 113, 115, 117, 120, 123, 124, 126, 127, 131, 133, 135, 137, 140, 141, 143, 145, 148, 151, 153, 154, 156, 159, 161, 163, 165, 168, 170, 173, 174, 176, 178, 180, 183, 186, 187, 189, 192, 194, 196, 198, 200, 202, 204, 207, 209, 212, 214, 215, 218 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..100.

EXAMPLE

See A184415.

MATHEMATICA

mex:=First[Complement[Range[1, Max[#1]+1], #1]]&;

s[n_]:=Floor[(n+2)/3]; a[1]=1; b[n_]:=b[n]=s[n]+a[n];

a[n_]:=a[n]=mex[Flatten[Table[{a[i], b[i]}, {i, 1, n-1}]]];

Table[s[n], {n, 20}]

Table[a[n], {n, 100}]

Table[b[n], {n, 100}]

CROSSREFS

Cf. A184117, A184415.

Sequence in context: A288623 A138972 A050110 * A187225 A003661 A065387

Adjacent sequences:  A184413 A184414 A184415 * A184417 A184418 A184419

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 13 2011

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 03:59 EDT 2021. Contains 343072 sequences. (Running on oeis4.)