50054

Appears in sequences

• Numbers k such that k and k+1 are modest (cf. A054986).at n=19A055018
• a(n) = 3*a(n-1) - a(n-2) - 2*a(n-3) for n > 2, a(0)=3, a(1)=10, a(2)=26.at n=12A316937