21244

Appears in sequences

• Triangle T(n,k)=Sum_{i=0..n} |stirling1(n,n-i)|*binomial(i,k), k=0..n-1.at n=25A059364
• Triangle T(n, k) read by rows: T(n, k) = Sum_{j=0..n} binomial(j, n-k) * |Stirling1(n, n-j)|.at n=31A088996
• In binary representation: numbers not occurring in their factorial.at n=44A093685
• Triangle T(n,k) read by rows: the coefficient [x^k] of the polynomial Product_{i=1..n} (i+1)*x-i in row n>=0 and column 0<=k<=n.at n=23A142070
• a(n) = n^3/3 - 7*n/3 + 4.at n=40A270809
• Sum of the sixth powers of the parts in the partitions of n into two parts.at n=5A294273
• Sum of the odd parts in the partitions of n into 10 parts.at n=34A309661
• Number of parts in all twice partitions of n where the second partition is strict.at n=16A327608