157472

Appears in sequences

• a(n) = n*(n + 1)*(3*n + 1).at n=37A027903
• Average theta series of odd unimodular lattices of dimension 20 (multiplied by 31).at n=3A029821
• Triangular product sequence based 2^n times the Fibonacci version and 4 replaced with m: t(m,n)=2^n*Product[(1 + m*Cos[k*Pi/n]^2), {k, 1, Floor[(n - 1)/2]}].at n=64A152036
• Numbers n with property that n and 2n are sums of two distinct positive cubes.at n=30A191345
• Number of nX5 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.at n=6A207771
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.at n=4A207777
• Number of (n+2) X (3+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=24A252714
• a(n) = ((1 + sqrt(11))^n - (1 - sqrt(11))^n)/sqrt(11).at n=9A274526