73321

Appears in sequences

• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1110-0111-0001 pattern in any orientation.at n=12A147404
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (0, 1, -1), (1, -1, -1)}.at n=13A148011
• Expansion of (1+11*x+24*x^2+11*x^3+10*x^4)/(1-x)^5.at n=13A160750
• Least number x such that there are n numbers of the form 6k-1 or 6k+1 between prime(x) and prime(x+1).at n=30A213903
• Numbers x such that sigma(x)=sigma(V(x)), where sigma(x) is the sum of the divisors of x and V(x) the transform defined in A245252.at n=20A245469
• Main diagonal of Unlucky array: a(n) = A255543(n,n).at n=43A255549
• Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=6A298324
• Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=3A298327
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=48A298328
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 king-move adjacent elements, with upper left element zero.at n=51A298328