255024

Appears in sequences

• a(n) = (5*n+1)*(5*n+2)*(5*n+3)*(5*n+4).at n=4A001512
• a(n) = (n+1)*binomial(n+1,4).at n=20A027764
• Products of 4 consecutive integers: a(n) = n*(n-1)*(n-2)*(n-3).at n=24A052762
• a(n) = n*(n-1)*(n-2)*(n-3) for n>=5.at n=24A052768
• a(n) = 4*n*(4*n-1)*(4*n-2)*(4*n-3).at n=6A054777
• Denominator of Sum_{k=1..n} k/phi(k).at n=46A069947
• Denominator of Sum_{k=1..n} k/phi(k).at n=47A069947
• Smallest number m containing no zeros in base n representation but at least one zero in all base b representations with 1<b<n.at n=17A106372
• Numbers that have exactly nine prime factors counted with multiplicity (A046312) whose digit reversal is different and also has 9 prime factors (with multiplicity).at n=26A109029
• Total number of possible knight moves on an n X n X n chessboard, if the knight is placed anywhere.at n=21A180413
• a(n) = (n!)(n!-1)(n!-2)...(n!-n+1).at n=4A181760
• a(n) = 6*binomial(n+1,5).at n=19A253945
• Positive integers of the form k^2 - 1 that are the product of two other distinct positive integers of the form k^2 - 1.at n=29A372497