67415

Appears in sequences

• a(n) = floor(C(2n,n)/2^n).at n=19A024502
• a(n) = a(n-1) - a(n-2) + a(n-3) + a(n-4), a(0)=4, a(1)=1, a(2)=-1, a(3)=1.at n=44A073937
• Reflected tetranacci numbers A073817.at n=44A074058