OFFSET
1,3
COMMENTS
a(n) is the LCM of the denominators of the coefficients in the expansion of Schur functions in terms of power sum symmetric functions.
MATHEMATICA
syt[n_]:=If[n==1, 1, Sum[syt[n/q*If[q==2, 1, NextPrime[q, -1]]], {q, FactorInteger[n][[All, 1]]}]];
Table[Total[Cases[FactorInteger[n], {p_, k_}:>k*PrimePi[p]]]!/syt[n], {n, 30}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, Nov 21 2018
STATUS
approved