71868

Appears in sequences

• Triangle T(n,k), n>=1, 0<=k<=n-1, read by rows: T(n,k)/(n-1)! is the coefficient of x^k in polynomial p_n for the n-th row sequence of A145153.at n=38A145142
• 2nd column of A145142.at n=6A145144
• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>2.at n=19A212899
• Volume of torus (rounded down) with major radius = n and minor radius = n/3.at n=31A228641