86944

Appears in sequences

• Integers of the form (1/m)*sum(i=1,m,binomial(2i,i)).at n=4A066974
• Triangle U, read by rows, where U(n,k) = Product_{j=k..n-1} (3*j+1) for n > k with U(n,n) = 1.at n=40A136214
• Number of 2 X 2 matrices having entries in {0,1,...,n} and determinant in the closed interval [-n,n] with no entry repeated.at n=31A279063
• Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=5A305908
• Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=4A305909
• T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=49A305911
• T(n,k) = Number of n X k 0..1 arrays with every element unequal to 0, 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=50A305911
• a(n) is the index of the first occurrence of n in A331284.at n=38A331285
• Expansion of g.f. A(x) satisfying A(x) = A( x^2*(1+x)^3 ) / (x*(1+x)^2).at n=15A369546