133081

Appears in sequences

• Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of three different symbols.at n=13A056402
• Let p = n-th irregular prime, A000928(n). Then a(n) = smallest value of m such that numerator(Bernoulli(2*m)/(2*m)) / numerator(Bernoulli(2*m)/(2*m*(2*m-1))) equals p.at n=53A092291