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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
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
Sequence in context: A288623 A138972 A050110 * A187225 A003661 A065387
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 13 2011
STATUS
approved

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Last modified May 22 11:36 EDT 2024. Contains 372755 sequences. (Running on oeis4.)