login
A326840
Denominator of A056239(n)/A061395(n).
9
1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 4, 3, 1, 1, 2, 1, 3, 2, 5, 1, 2, 1, 6, 1, 2, 1, 1, 1, 1, 5, 7, 4, 1, 1, 8, 3, 1, 1, 4, 1, 5, 3, 9, 1, 1, 1, 3, 7, 3, 1, 2, 5, 4, 4, 10, 1, 3, 1, 11, 1, 1, 2, 5, 1, 7, 9, 1, 1, 2, 1, 12, 3, 4, 5, 2, 1, 3, 1, 13, 1, 1, 7
OFFSET
1,6
COMMENTS
This is a dual form of the average of an integer partition specified by its Heinz number: A326567/A326568.
EXAMPLE
The sequence of fractions begins: 0, 1, 1, 2, 1, 3/2, 1, 3, 2, 4/3, 1, 2, 1, 5/4, 5/3, 4, 1, 5/2, 1, 5/3.
MATHEMATICA
primeMS[n_]:=If[n==1, {}, Flatten[Cases[FactorInteger[n], {p_, k_}:>Table[PrimePi[p], {k}]]]];
Denominator[Table[Total[primeMS[n]]/Max@@primeMS[n], {n, 100}]]
CROSSREFS
Positions of 1's are A326836.
Numerators are A326839.
Sequence in context: A001492 A347049 A054576 * A326153 A199515 A316695
KEYWORD
nonn,frac
AUTHOR
Gus Wiseman, Jul 26 2019
STATUS
approved