73984
domain: N
Appears in sequences
- Squares of palindromes.at n=36A014186
- a(n) = (8*n)^2.at n=34A017066
- a(n) = (10*n + 2)^2.at n=27A017294
- a(n) = (11*n + 8)^2.at n=24A017486
- a(n) = (12*n + 8)^2.at n=22A017618
- Quarter-squares squared: A002620^2.at n=33A030179
- Number of ways to place a non-attacking white and black rook on n X n chessboard.at n=16A035287
- Squares with initial digit '7'.at n=15A045791
- Expansion of (1-x)/(1 - x - x^2 - 3*x^3 + 3*x^4).at n=19A052915
- Volume (multiplied by 3) of polyhedron formed by points (i,j,k) in Z^3 with i^2+j^2+k^2 = n^2.at n=20A065089
- Squares x such that x + reverse of x is a prime.at n=24A072367
- Binomial transform of A084136.at n=8A084137
- An inverse Chebyshev transform of (1-x)/(1-2x).at n=13A100098
- An inverse Chebyshev transform of x/(1-2x).at n=13A100099
- Expansion of (1+4*x-12*x^2-16*x^3)/((2*x+1)*(2*x-1)*(4*x^2+4*x-1)).at n=7A110046
- Corresponds to m = 6 in a family of 4th order linear recurrence sequences given by a(m,n) = m^4*a(n-4) + (2*m)^2*a(n-3) - 4*a(m-1), a(m,0) = -1, a(m,1) = 4, a(m,2) = -13 + 6*(m-1) + 3*(m-1)^2, a(m,3) = (-8+m^2)^2.at n=7A113252
- Squares in A114390, in order of appearance.at n=38A114392
- Numbers with 27 divisors.at n=33A137490
- a(1) = 1, a(2*n) = a(n)^2, a(2*n+1) = a(n)*(a(n)+1).at n=49A139145
- Ulam numbers that are perfect squares.at n=33A173545