601441domain: NAppears in sequencesa(n) = 2*a(n-1) + 13*a(n-2), for n>1, a(0)=1, a(1)=1.at n=9A133343Number of 0..n arrays of length 7 with each element differing from at least one neighbor by 1 or less.at n=13A221599Triangle read by rows: T(n,k) = number of parking functions of length n whose lead number is k.at n=31A298592