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A250254
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First row of spectral array W(gamma^2+1).
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2
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1, 4, 5, 16, 21, 64, 85, 256, 341, 1024, 1365, 4097, 5462, 16393, 21854, 65594, 87448, 262467, 349915, 1050235, 1400150, 4202409, 5602558, 16815516
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OFFSET
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1,2
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COMMENTS
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Gamma is Euler's (or Euler-Mascheroni) constant.
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LINKS
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PROG
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(PARI)
\\ Row i of the generalized Wythoff array W(h),
\\ where h is an irrational number between 1 and 2,
\\ and m is the number of terms in the vectors a and b.
row(h, i, m) = {
if(h<=1 || h>=2, print("Invalid value for h"); return);
my(
a=vector(m, n, floor(n*h)),
b=vector(m, n, floor(n*h/(h-1))),
w=[a[a[i]], b[a[i]]],
j=3
);
while(1,
if(j%2==1,
if(w[j-1]<=#a, w=concat(w, a[w[j-1]]), return(w))
,
if(w[j-2]<=#b, w=concat(w, b[w[j-2]]), return(w))
);
j++
)
}
allocatemem(10^9)
row(Euler^2+1, 1, 10^7)
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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