109504

Appears in sequences

• Number of 3-component Carmichael numbers C = (6M + 1)(12M + 1)(18M + 1) < 10^n.at n=23A036060
• a(n) = Sum_{k=0..floor(n/3)} C(n-k,2*k) * 2^k * 4^(n-3*k).at n=8A099782
• Structured rhombic triacontahedral numbers (vertex structure 11).at n=23A100164