34472domain: NAppears in sequencesA hexagonal spiral Fibonacci sequence.at n=23A094926Number of 3:4:5 proportioned triangles on a (n+1)X(n+1) grid.at n=25A189972a(n) = 36*n^2 - 4*n (n>=1).at n=30A304380Total length of all longest runs of 0's in solus bitstrings of length n.at n=18A333394