129312

Appears in sequences

• Number of compositions of n into 6 parts such that no two adjacent parts are equal.at n=24A106355
• n^2 * (n^4 - n^2 + n + 1) / 2.at n=8A214085
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by other than one.at n=17A269538
• Number of ways to reach n by starting with any positive integer, and repeatedly adding any positive integer or multiplying by any integer greater than 1.at n=16A348378
• a(n) = Sum_{k=0..floor(n/3)} 2^k * 3^(n-3*k) * binomial(2*k,2*(n-3*k)).at n=19A390619