OFFSET
1,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..100
FORMULA
a(n) = A225646(n)/n.
MAPLE
b:= proc(n, i) option remember; `if`(n=0, {1},
`if`(i<1, {}, {seq(map(x->ilcm(x, `if`(j=0, 1, i)),
b(n-i*j, i-1))[], j=0..n/i)}))
end:
a:= n-> max(seq(ilcm(n, i), i=b(n$2)))/n:
seq(a(n), n=1..50); # Alois P. Heinz, May 25 2013
MATHEMATICA
b[n_, i_] := b[n, i] = If[n==0, {1}, If[i<1, {}, Table[Map[Function[{x}, LCM[x, If[j==0, 1, i]]], b[n-i*j, i-1]], {j, 0, n/i}]]]; a[n_] := Max[Table[LCM[n, i], {i, b[n, n]}]]/n; Table[Print["a(", n, ") = ", an = a[n]]; an, {n, 1, 50}] (* Jean-François Alcover, Jul 29 2015, after Alois P. Heinz *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, May 15 2013
STATUS
approved