74240

Appears in sequences

• Inverse binomial transform of n^2*3^(n-1).at n=10A084857
• Number of Pythagorean quadruples mod n; i.e., number of solutions to w^2 + x^2 + y^2 = z^2 mod n.at n=39A096018
• Number of ways to place zero or more nonadjacent 1,0 2,0 3,1 3,2 4,3 4,4 polyhexes in any orientation on a planar nXnXn triangular grid.at n=7A155306
• Triangle read by rows: Number of (2n+1)-step self-avoiding walks on diamond lattice ending at point with x = 2k+1.at n=25A227716
• Integers k such that A072473(k) = A072473(k+1) = A072473(k+2) = A072473(k+3).at n=10A255172
• a(n) = A255473(2^n-1).at n=8A255474
• Number of nX4 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=4A281833
• Number of n X 5 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=3A281834
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=31A281837
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=32A281837
• a(n) is the index of the first occurrence of n in A331284.at n=35A331285