18976049

Properties

Appears in sequences

• a(n) = 2*a(n-1) + 7*a(n-2).at n=12A083100
• a(n) = 2*a(n-1) + 7*a(n-2) for n>1, a(0)=1, a(1)=1.at n=13A084058
• Prime numbers in A084058.at n=3A111013
• Prime numbersat n=1209600