63747

Appears in sequences

• Poincaré series [or Poincare series] (or Molien series) for a certain six-fold wreath product P_6.at n=47A091769
• Numbers k such that 4*10^k + 6*R_k - 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=32A099005
• Number of non-alternating compositions of n.at n=17A345192
• Starts of runs of 3 consecutive numbers that have an equal number of even and odd exponents in their prime factorization (A187039).at n=22A348077
• Number of non-alternating compositions of n, excluding twins (x,x).at n=17A348377