31906

Appears in sequences

• Integers that are Rhonda numbers to base 16.at n=10A100975
• a(n) = Sum_{i=0..n} digsum(i)^3, where digsum(i) = A007953(i).at n=58A231688
• Irregular triangle read by rows: T(n,k) is the number of free polyaboloes (or polytans) with n cells of which 2*k share a hypotenuse in pairs (making up k squares), 0 <= k <= n/2.at n=46A391191
• Triangle read by rows: T(n,k) is the number of free polyaboloes (or polytans) with n cells (counted as in A390996) of which k are square cells consisting of two triangles sharing a hypotenuse, 0 <= k <= n.at n=40A391192