23963

Appears in sequences

• Indices of records in A064844.at n=13A135988
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 1), (0, -1), (1, -1), (1, 0)}.at n=13A151503
• a(n) = 25*n^2 - 2*n.at n=30A154376
• Numbers of words on alphabet {0,1,...,7} with no subwords ii, where i is from {0,1,...,4}.at n=5A254662
• Number of nX4 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.at n=7A303686
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.at n=58A303690
• Numbers k such that k and k+2 are both A000120-perfect numbers (A175522).at n=29A360639