91728

Appears in sequences

• a(n) = n*(n+1)*(n+2)^2/6.at n=26A004320
• Number of diagonal dissections of a convex (n+6)-gon into n regions.at n=5A007160
• Number of diagonal dissections of an n-gon into 6 regions.at n=5A033278
• Triangle read by rows: T(n, k) is the number of diagonal dissections of a convex n-gon into k+1 regions.at n=50A033282
• There exists some k>0 such that n is the product of (k + digits of n).at n=23A055482
• Triangle obtained by adding a leading diagonal 1,0,0,0,... to A033282.at n=61A086810
• Numbers n such that n=(d_1+5)(d_2+5)*...*(d_k+5), where d_1 d_2 ... d_k is the decimal expansion of n.at n=7A097371
• a(n) = (n+1)(n+2)^2*(n+3)^3*(n+4)^2*(n+5)(n^2 + 6n + 10)/86400.at n=5A107917
• Numbers n>9 such that n=Abs[(c+d_1)*(c+d_2)*...*(c+d_k)] where d_1 d_2 ... d_k is the decimal expansion of n and c is an integer constant.at n=43A113756
• Number of subpartitions of partition P=[0,0,0,0,1,1,1,1,1,2,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+49) - 7)/2].at n=33A121433
• Triangle read by rows: T(n,k) is the number of Schroeder paths of semilength n containing exactly k peaks but no peaks at level one (n >= 1; 0 <= k <= n-1).at n=49A126216
• Triangle T(n,k), 0 <= k <= n, read by rows, given by [1,1,1,1,1,1,1,...] DELTA [0,1,0,1,0,1,0,1,0,...] where DELTA is the operator defined in A084938.at n=59A133336
• Numbers equal to the product of (each of its decimal digits, plus the number of decimal digits).at n=7A172415
• Numbers with prime factorization pq^2r^2s^4.at n=13A190319
• Principal diagonal of the convolution array A213844.at n=25A213845
• Consider numbers n = concat(w,x,y,z) such that w*x*y*z | n. Leading zeros in x, y and z allowed. Sequence lists numbers that admit at least two such concatenations.at n=8A257172
• Expansion of g.f. hypergeom([4/9, 5/9, 7/9], [2/3, 1], 729 x).at n=2A275458
• Numbers k such that there is an anti-divisor d of k satisfying sigma(d) = k.at n=17A286917
• Row sums of A303638.at n=6A303938
• Numbers that are the sum of four third powers in ten or more ways.at n=35A345155