182476domain: NAppears in sequencesInverse Moebius transform of A000013 (starting at term 0).at n=23A054168Indices of 4th powers (of primes) in the 4-almost primes.at n=10A128304First term of n-th difference sequence of round((k*Pi)), k >= 0.at n=20A325846Expansion of (1/x) * Series_Reversion( x * (1-x-x^4/(1-x)^2) ).at n=11A367414