18924

Appears in sequences

• Expansion of Jacobi theta constant (theta_2/2)^20.at n=5A014806
• Number of 5-tuples of different integers from [ 2,n ] with no common factors among triples.at n=24A015649
• Multiplicity of highest weight (or singular) vectors associated with character chi_13 of Monster module.at n=43A034401
• exp( Sum_{n>=1} A226561(n)*x^n/n ), where A226561(n) = Sum_{d|n} d^n*phi(d).at n=6A226560
• Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.at n=3A251284
• Number of (n+1)X(4+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.at n=3A251288
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally.at n=24A251292
• Number of trapezoidal words of length n.at n=49A260881
• a(n) = 6*n*(9*n-5).at n=19A277984
• Sum of the seventh largest parts in the partitions of n into 9 parts.at n=46A326467