1224720

Appears in sequences

• Denominators of coefficients in expansion of cube root of sin(x).at n=3A008994
• Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*6^j.at n=32A038224
• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*3^j.at n=31A038257
• Denominators of coefficients in function a(x) such that a(a(a(x))) = log (1+x).at n=6A052139
• Triangle with T(n,k)=n!*(k-1)^k/k! where 1<=k<=n.at n=39A076482
• The following triangle contains n smallest numbers with the prime signature of n!. Sequence contains the triangle by rows.at n=44A111467
• Leading diagonal of A111467.at n=8A111468
• Triangle read by rows: T(n,k) is number of hex trees with n edges and k nonroot nodes of outdegree 2.at n=33A126183
• Number of permutations divided by the number of (binary) heaps on n elements.at n=18A132862
• Triangle T(n,k)=number of forests of labeled rooted trees with n nodes, containing exactly k trees of height one, all others having height zero (n>=0, 0<=k<=floor(n/2)).at n=33A133399
• Triangular sequence of coefficients of p(x,t) = t*exp(3*x*t - t^2)/(exp(t) - 1).at n=20A137784
• a(n) = 3^n*(n + 2)!.at n=5A153647
• Array read by antidiagonals: T(n,k) = (k+1)^n*(n+k)!.at n=30A154120
• Triangle of z Transform coefficients from General Pascal [1,10,1} A142459 polynomials multiplied by factor 3^Floor[(2*k - 1)/3].at n=40A167787
• Coefficients of expansion polynomials related to fish weight allometric equation: p(x,t)=-Exp[t*x]*(1 - Exp[t/3])^3.at n=24A171506
• Area A of the triangles such that A, the sides and two medians are integers.at n=28A181928
• Series reversion of (1 - t*x)*log(1 + x) with respect to x.at n=31A198204
• Array read by antidiagonals: T(m,n) = m * Sum(1<=i<=m) (m+n-2+i)!at n=23A211367
• Where records occur in A222084.at n=31A222089
• a(n) = 3^n*(2*n + 1)!/n!.at n=4A254381