4769856

Appears in sequences

• Order of universal Chevalley group D_2(q), q = prime power.at n=8A003841
• (Terms in A014762)/4.at n=26A051514
• Primitive e-perfect numbers: primitive elements of the e-perfect numbers (A054979).at n=5A054980
• a(n) = n^2 * (n+1)^2 * (n+2)^2 = 36*A001249(n-1).at n=12A099764
• Areas of primitive Heronian triangles K which are perfect squares.at n=43A248108
• n^2 * a(n) = 3*(3*n-2)^2 * a(n-1), with a(0) = 1.at n=6A276018
• List of e-unitary perfect numbers that are not e-semiproper perfect numbers.at n=0A323310
• Primitive e-unitary perfect numbers: powerful numbers k for which A322857(k) = 2*k.at n=3A391281