A184429 - OEIS

A184429

Lower s-Wythoff sequence of A184429 (quarter-squares). Complement of A184430.

1, 3, 4, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 20, 22, 23, 24, 25, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74, 76, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 88, 89, 90, 91, 92, 93, 95, 96, 97, 98, 99, 100, 101, 102, 103, 105, 106, 107, 108, 109, 110, 111, 112, 113, 115, 116, 117, 118

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

See A184117 for the definition of lower and upper s-Wythoff sequences.

LINKS

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

MATHEMATICA

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

s[n_]:=Floor[((n+1)/2)^2]; 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, 40}]