18671941

Properties

Appears in sequences

• Integers k>=3 such that 2^k == 2 (mod k*(k-1)*(k-2)/6).at n=7A337858
• k-1 for integers k>=4 such that 2^k == 4 (mod k*(k-1)*(k-2)*(k-3)/24).at n=8A337859
• Numbers k such that binomial(k, 3) divides binomial(3^k-3, 2).at n=19A350905
• Prime numbersat n=1191499