86816

Appears in sequences

• Number of binary strings of length n with equal numbers of 00101 and 01010 substrings.at n=17A164245
• Numbers n such that 10^n - 99 is prime.at n=18A178439
• a(1)=5, a(2)=2, a(n) = 5*a(n-1) + 2*a(n-2).at n=7A189746
• Number of 2-matchings of the n X n grid graph.at n=13A242856
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 5 or 6 king-move adjacent elements, with upper left element zero.at n=10A304600