1217160

Appears in sequences

• Ramanujan's tau function (or Ramanujan numbers, or tau numbers).at n=14A000594
• The odd bisection of A000594.at n=7A099059
• Dirichlet inverse of Ramanujan's L-series (A000594).at n=14A181104
• a(n) = (Lucas(4n) - Lucas(2n))/4.at n=8A215465