1908903481

Appears in sequences

• First differences of A138477.at n=33A138495
• Squares of Jacobsthal numbers.at n=17A139818
• Number of n X 3 arrays with every diagonal and antidiagonal of length L containing a permutation of 1..L.at n=31A179808
• Number of (3+1) X (n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.at n=15A262473
• Number of degree n polynomials f with all nonzero coefficients equal to 1 such that f(k) is divisible by 3 for all integers k.at n=34A329479
• a(n) = A112387(n)^2.at n=33A374098
• a(n) = A135318(n)^2.at n=32A374927