1995840

Appears in sequences

• Product of Fibonacci and Pell numbers.at n=11A001582
• Coefficient of H_2 when expressing x^{2n} in terms of Hermite polynomials H_m.at n=5A001814
• Triangle read by rows. A generalization of unsigned Lah numbers, called L[4,1].at n=22A048854
• Triangle read by rows: row n consists of the nonzero coefficients of the expansion of 2^n x^n in terms of Hermite polynomials with decreasing subscripts.at n=47A059344
• Coefficient triangle of generalized Laguerre polynomials n!*L(n,5,x)(rising powers of x).at n=30A062138
• Third column of triangle A062138 (generalized a=5 Laguerre).at n=5A062149
• SuperRefactorable numbers: m=A005179(n) such that k=m/n is an integer.at n=35A110821
• Triangle of integer coefficients of polynomials P(n,x) of degree n, and falling powers of x, arising in diagonal Padé approximation of exp(x).at n=33A113025
• Triangle of polynomials P(n,x) of degree n related to Pi (see comment) and derived from Padé approximation to exp(x).at n=33A113216
• Triangle generated by e.g.f.: A(x,y) = exp(x + y*(x^2+x^3)), read by rows of length [n/2+1].at n=41A118588
• Triangle of coefficients of numerators in Padé approximation to exp(x).at n=30A119274
• Ratio of (2*n-1)! to number of zeros in lower part of Sylvester matrix for polynomial of degree n with all nonzero coefficients.at n=3A138898
• Triangle of unsigned 3-Lah numbers.at n=30A143498
• Denominator of Laguerre(n, 1).at n=11A160622
• a(n) = (n+1)*(n-1)!/2.at n=7A171005
• Number of permutations of 1..n with no element e[i>=2]<e[1+floor((i-2)/4)] (4-way heap).at n=12A178009
• Positive integers with more highly composite divisors (A002182) than any smaller positive integer.at n=20A181806
• Triangular array read by rows: T(n,k) is the number of ordered set partitions of {1,2,...,n} with exactly k singletons, n>=0, 0<=k<=n.at n=50A187784
• Triangle of the value of Bell polynomials of the second kind B(n,m)(6,30,120,360,720,720) in row n, column m.at n=22A188062
• Number of n X n symmetric (0,1) matrices that achieve the record mentioned in A191965.at n=8A191966