OFFSET
1,2
COMMENTS
Indices of records in A363329.
The corresponding record values are 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 315, ... (see the link for more values).
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..64
Amiram Eldar, Table of n, a(n), A363329(a(n)) for n = 1..64
MATHEMATICA
f[p_, e_] := 2^DigitCount[e, 2, 1] - 1; d[1] = 1; d[n_] := Times @@ f @@@ FactorInteger[n];
v = Cases[Import["https://oeis.org/A025487/b025487.txt", "Table"], {_, _}][[;; , 2]];
seq = {}; dm = 0; Do[If[(dk = d[v[[k]]]) > dm, dm = dk; AppendTo[seq, v[[k]]]], {k, 1, Length[v]}]; seq
CROSSREFS
KEYWORD
nonn
AUTHOR
Amiram Eldar, May 28 2023
STATUS
approved