40874domain: NAppears in sequencesa(n) = floor(10000*log_2(n)).at n=16A004268Number of parts in all the compositions of n into primes (i.e., in all ordered sequences of primes having sum n).at n=23A121304Sorted positions of first appearances in A376264 (run-sums of first differences of nonsquarefree numbers).at n=10A376266