53541

Appears in sequences

• Number of compositions of n into nonprime numbers.at n=28A052284
• Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have an increase at index k (1<=k<n).at n=41A056861
• Number of 0..n arrays of length 3 with each element differing from at least one neighbor by something other than 1.at n=37A221574
• Numbers generated by recursive procedure a(n) = nozero(a(n-1) * 3), in which the function nozero(x) removes all zeros from x, starting with a(1) = 1.at n=12A243845