18827

Appears in sequences

• Numbers that are the sum of 4 positive 7th powers.at n=21A003371
• Number of partitions satisfying cn(0,5) + cn(2,5) <= cn(1,5) and cn(0,5) + cn(2,5) <= cn(4,5) and cn(0,5) + cn(3,5) <= cn(1,5) and cn(0,5) + cn(3,5) <= cn(4,5).at n=48A039883
• Sum of squares of digits of n is equal to the largest prime factor of n reversed, where the largest prime factor is not a palindrome.at n=29A074303
• Triangle read by rows: T(n,k) = number of permutations p of [n] such that max(|p(i)-i|)=k (n>=1, 0<=k<=n-1).at n=40A130152
• Number of nX3 0..2 arrays with exactly floor(nX3/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order.at n=6A223029
• T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order.at n=38A223033
• T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..2 order.at n=42A223033
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west or northeast neighbor modulo n and the upper left element equal to 0.at n=31A266291
• Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its north, west or northeast neighbor modulo 4 and the upper left element equal to 0.at n=4A266293
• Number of minimal total dominating sets in the n-triangular grid graph.at n=5A303228
• Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 4.at n=5A323800
• Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = floor(n/2).at n=8A323807
• Irregular table read by rows: Take a triangle with Pythagorean triple leg lengths with all diagonals drawn, as in A332978. Then T(n,k) = number of k-sided polygons in that figure for k >= 3 where the legs are divided into unit length parts.at n=25A333135
• Numbers in A231626 but not in A343302; first of 5 consecutive deficient numbers in arithmetic progression with common difference > 1.at n=31A343303