58482

Appears in sequences

• a(n) = n^2*(n+1)^2/2.at n=18A163102
• Non-deficient numbers with odd sigma such that the sum of the even divisors is twice the sum of the odd divisors.at n=31A171642
• Number of ways to place 2 nonattacking bishops on an n X n toroidal board.at n=18A177755
• Number of Goldbach partitions of 6^n.at n=8A180007
• The total number of squares and rectangles appearing in the Thue-Morse sequence logical matrices after n stages.at n=9A241685
• The total number of squares and rectangles appearing in the Thue-Morse sequence (1, 0 version) logical matrices after n stages.at n=9A241894
• a(n) = Product_{d|n} psi(d), where psi(m) is the sum of totatives of m (A023896).at n=37A280246
• a(n) = (2*n^2*(n^2 - 3) - (2*n^2 + 1)*(-1)^n + 1)/64.at n=36A302647
• Chessboard rectangles sequence (see Comments), also A037270 interleaved with A163102.at n=37A317714
• Numbers k for which sqrt(k/2) divides k and the symmetric representation of sigma(k) consists of a single part and its width at the diagonal equals 1.at n=38A365265