261801

Appears in sequences

• Monotonic ordering of nonnegative differences 4^i-7^j, for 40>= i>=0, j>=0.at n=33A192165
• a(n) = a(n-1) + a(n-2) + a([n/3]), where a(0) = 1, a(1) = 1, a(2) = 1.at n=26A298340