416325

Appears in sequences

• If F(n) is the n-th Fibonacci number, then a(2n) = (F(2n+1) + F(n+2))/2 and a(2n+1) = (F(2n+2) + F(n+1))/2.at n=28A001224
• Powers of fourth root of 21 rounded to nearest integer.at n=17A018106
• Powers of fourth root of 21 rounded up.at n=17A018107
• a(n) = (Fibonacci(2*n)-(-1)^n*Fibonacci(n))/2.at n=15A049602
• Number of positive rational knots with 2n+1 crossings.at n=14A051450
• Number of distinct ways to tile a 2 X n rectangle with dominoes (solutions are identified if they are rotations or reflections of each other).at n=28A060312
• Number of incongruent ways to tile a 3 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.at n=28A068928
• Duplicate of A001224.at n=29A102526
• Numbers n such that A001414(n) divides n+1 and A001414(n+1) divides n.at n=6A131484