67200
domain: N
Appears in sequences
- a(n) = n*(n+1)^2*(n+2)^2/12.at n=14A004282
- a(n) = floor(n/2) * floor((n-1)/2) * floor((n-2)/2) * floor((n-3)/2) * floor((n-4)/2) / 12.at n=33A028725
- a(n) = n(n+1)(n+2)...(n+8) / (n+(n+1)+(n+2)+...+(n+8)).at n=2A032780
- Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*10^j.at n=30A038216
- Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*2^j.at n=33A038304
- a(1) = 1, a(m+1) = 2*Sum_{k=1..floor((m+1)/2)} a(m+1-k).at n=11A039721
- Triangle read by rows: T(n,k) = number of paths of n upsteps U and n downsteps D that contain k UUDs.at n=33A051288
- a(n) = 4!*n*Stirling2(n-1,4).at n=8A052776
- 2^(n-2)*n*(n+2)!/3.at n=5A058667
- (Sum of digits of n)^5 - (sum of digits^5 of n).at n=28A069965
- Numbers k such that A074037(k) = A002034(k).at n=38A074055
- Stirling2 triangle with scaled diagonals (powers of 4).at n=32A075499
- Fifth column of triangle A075499.at n=3A075908
- Triangle read by rows: T(n,k) = 2^k * (n!/k!)*binomial(n-1,k-1).at n=24A086915
- In the triangle shown below the n-th row contains n rational numbers n/1, {n*(n-1)}/{n +(n-1)}, {(n)*(n-1)*(n-2)}/{n +(n-1)+(n-2)}, ..., the last term being 2*(n-1)!/(n+1). Sequence gives the numerators in each row.at n=53A093422
- Hook products of all partitions of 11.at n=26A093790
- Hook products of all partitions of 11.at n=25A093790
- The following triangle contains n smallest numbers with the prime signature of n!. Sequence contains the triangle by rows.at n=30A111467
- Number of walks within N^2 (the first quadrant of Z^2) starting and ending at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (-1, 1), (0, -1), (1, 1)}.at n=12A151355
- a(n) = product of decimal digits of A000043(n).at n=47A163821