230611

Properties

Appears in sequences

• Expansion of Product_{k>=1} (1 + x^(3*k)) / (1 - x^k).at n=44A266648
• Triangle read by rows: T(n, k) = n! * 3^k * hypergeom([-k], [-n], 1/3).at n=26A375447
• Prime numbersat n=20491