31376

Appears in sequences

• Half the number of 8 X n binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.at n=1A069434
• Half the number of n X 2 binary arrays with no path of adjacent 1's or adjacent 0's from top row to bottom row.at n=7A069440
• A Chebyshev transform of the Pell numbers.at n=18A100048
• a(n) is the index of the permutation of order n having the least sum of pairwise products as given by A026035.at n=6A102401
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k LL's (n >= 0; 0 <= k <= n-2 for n >= 2).at n=50A128724
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x+y*z>n^2.at n=24A212136
• a(n) = Fibonacci(p) mod p^2, where p = prime(n).at n=53A236395
• Number of partitions of n such that (greatest part) - (least part) <= number of parts.at n=41A237831
• Number of partitions of n such that the number of parts having multiplicity >1 is a part and the number of distinct parts is a part.at n=47A241409
• Number of subwords of the form DDD in nondecreasing Dyck paths of length 2n.at n=11A377679