131464

Appears in sequences

• a(n) = n^4 + (9/2)*n^3 + n^2 - (9/2)*n + 1.at n=18A003878
• Sum of diving indices of all 4k+3 integers in range ]2^n,2^(n+1)].at n=12A095109
• Triangle T(n,k) read by rows: the coefficient [x^k] of the product_{s=1..n} (x+64*cos(s*Pi/(2n+1))^6), 0<=k<=n.at n=41A179838
• Number of compositions (ordered partitions) of n into parts with an even number of distinct prime divisors.at n=42A286225
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflection by an asymmetric tile.at n=31A368259
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to 180-degree rotation by an asymmetric tile.at n=31A368263