28365

Appears in sequences

• Orders of non-cyclic simple groups (divided by 4).at n=31A008976
• T(n,n), array T as in A047150.at n=9A047152
• a(n) is both the sum of n+1 consecutive integers and the sum of the n immediately higher consecutive integers.at n=30A059270
• Triangular matrix T, read by rows, where row n of T equals row (n-1) of T^(n+1) with an appended '1'.at n=49A121412
• Number of (w,x,y,z) with all terms in {1,...,n} and median<=mean.at n=15A212134
• Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX3 array.at n=4A219368
• Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nX5 array.at n=2A219370
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nXk array.at n=23A219373
• T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 nXk array.at n=25A219373
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 438", based on the 5-celled von Neumann neighborhood.at n=39A272219
• Number of nX7 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.at n=8A304009
• a(n) = n*(2*n + 1)*(4*n + 1).at n=15A316224