8634042

Appears in sequences

• a(3) = 2, a(4) = 3; for n > 4, a(n) = {a(n-2)}+{a(n-1)}, where {a} means largest prime <= a.at n=33A065435
• Number of (n+2)X9 binary matrices with every 3X3 block having exactly four 1's.at n=10A181261