9227431

Appears in sequences

• Apply partial sum operator twice to Fibonacci numbers.at n=31A001924
• a(n) = T(2*n, n+1), T given by A027935.at n=15A027937
• Solution to the Dancing School Problem with n girls and n+2 boys: f(n,2).at n=29A079921
• a(n) = Fibonacci(n+9) - Fibonacci(9).at n=26A180674