23970816

Appears in sequences

• Order of universal Chevalley group D_2(q), q = prime power.at n=10A003841
• a(n) = n^2 * (n+1)^2 * (n+2)^2 = 36*A001249(n-1).at n=16A099764
• Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=21A208552
• Determinant of the p_n X p_n matrix with (i,j)-entry equal to the Legendre symbol ((i^2 + 3*i*j + 3*j^2)/p_n) for all i,j = 0, 1, ..., p_n-1, where p_n is the n-th prime.at n=6A228095
• Squares which have one or more occurrences of exactly eight different digits.at n=21A235723