540595domain: NAppears in sequencesNumbers whose base-14 representation has exactly 6 runs.at n=12A043667Sum of the odd singletons in all partitions of n (n>=0). A singleton in a partition is a part that occurs exactly once.at n=42A276423Coefficient of x^n in 1/(n+1) * (1 + x - n*x^2)^(n+1).at n=9A307947