150976

Appears in sequences

• n^2 * (n^3 + 2n^2 + 7n - 2) / 8.at n=16A106845
• Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=14A207509
• Number of 0..n arrays of length 7 with each element differing from at least one neighbor by 1 or less.at n=8A221599
• G.f.: Sum_{n>=0} (n+1)*(n+2)*(n+3)/3! * x^n * (1 + x^n)^n.at n=55A326004