122202

Appears in sequences

• Templates for lunar primes in any base (version 3).at n=33A191420
• Number of length 1+3 0..n arrays with no four consecutive terms having the sum of any three elements equal to three times the fourth.at n=17A249291
• a(n) = a(n-1) + 3*a(n-2) if n even, or 2*a(n-1) + 4*a(n-2) if n odd, starting with 0, 1.at n=13A299914
• a(n) = A299914(2n+1).at n=6A299916