660240

Appears in sequences

• G.f.: square root of weight enumerator of [16,5,8] Reed-Muller code RM(1,4).at n=5A110822
• Coefficients of tribonacci numbers expansion : similar to the Fibonacci number expansion given in Steve Roman's Umbral Calculus.at n=37A137431
• Number of ways that people can sit in n linearly arranged seats such that there are one or two empty seats between any two persons, zero or one empty seats at the start and end, and at least one person gets seated.at n=15A373182