1350448

Appears in sequences

• a(n) = A027941(n) + A027941(n+6).at n=9A153466
• Linear recurrence with a(n) = 3a(n-1) - a(n-2) + 2 = 4a(n-1) - 4a(n-2) + a(n-3). Full sequence for A153466.at n=12A153819