56259

Appears in sequences

• a(n) = (2*n-1)*(13*n^2-13*n+6)/6.at n=23A063493
• Sixth column (m=5) of (1,6)-Pascal triangle A096956.at n=17A096959
• Triangle read by rows: T(n,k) (n >= 1, 1 <= k <= n) = number of alternating anagrams on n letters (of length 2n) which are decomposable into at most k components.at n=40A239895
• Numbers k such that k and k+1 both have the prime signature (2,1,1,1) (A189982).at n=17A336658
• Number of ways to write n as an ordered sum of nine positive Fibonacci numbers (with a single type of 1).at n=16A357717