41262

Appears in sequences

• Triangle: m=3; e(n,k,n) = (k + m - 1)*e(n - 1, k, m) + (m*n - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).at n=23A156186
• Triangle: m=3; e(n,k,n) = (k + m - 1)*e(n - 1, k, m) + (m*n - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).at n=25A156186
• Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 1 (mod n), with x() in 0..n-1.at n=17A180805
• a(n) = n^2*(7*n - 5)/2.at n=23A262000
• Number of ways to write n as an ordered sum of 6 nonzero decimal palindromes.at n=22A341203
• a(n) = n + 2*binomial(n,2) + 3*binomial(n,3) + 4*binomial(n,4).at n=23A361099