2837835

Appears in sequences

• Coefficients of Bessel polynomials y_n (x).at n=5A001881
• Triangle of coefficients of a companion polynomial to the Gandhi polynomial.at n=25A083061
• Triangle T(n,k) read by rows: multiply row n of Pascal's triangle (A007318) by A001147(n).at n=30A085881
• Triangle T(n,k) read by rows: multiply row n of Pascal's triangle (A007318) by A001147(n).at n=33A085881
• Another version of triangular array in A083061: triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 3, 6, 10, 15, 21, 28, ...] DELTA [1, 2, 3, 4, 5, 6, 7, 8, ...] where DELTA is the operator defined in A084938.at n=33A094665
• Triangular table of coefficients of Laguerre-Sonin polynomials n!*2^n*Lag(n,x/2,1/2) of order 1/2.at n=30A130757
• Third right hand column of triangles A094665 and A083061.at n=4A160470
• a(n) = denominator of the coefficient c(n) of x^n in (tan x)/Product_{k=1..n-1} 1 + c(k)*x^k, n = 1, 2, 3, ...at n=13A170919
• Central terms of triangles A001497 and A001498.at n=5A245066
• Denominators of the (simplified) rational numbers n*2^(n - 1)/(n - 1)! .at n=14A248592
• Second column of A086872.at n=6A261065
• Triangle, read by rows, of Lambert's numerator polynomials related to convergents of tan(x).at n=49A334824
• Numbers k such that k + 1 divides 3^k + 1.at n=27A370578
• a(n) is the least number k that has exactly n divisors <= sqrt(k) of the form 4*j+1.at n=30A379693