52497

Appears in sequences

• a(n) = (n^4 + n)/2 (Row sums of an n X n X n magic cube, when it exists).at n=18A027441
• Numbers of the form k*(k^3 +- 1)/2.at n=35A057590
• Number of (s(0), s(1), ..., s(2n+1)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n+1, s(0) = 3, s(2n+1) = 6.at n=8A094834
• Magic constant of smallest order-n perfect magic cube.at n=17A109130
• a(n) = n*(8*n^2 + 1)/3.at n=27A143166
• a(0) = 0 and a(n) = (4*n^3 - 12*n^2 + 20*n - 9)/3 for n >= 1.at n=35A174794
• Expansion of (1 - x^2)/(1 - 3*x^2 - x^3).at n=19A188048
• Number of black square subarrays of (n+1)X(4+1) binary arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with upper left element zero.at n=9A231068