11957423

Appears in sequences

• a(n) = (5*3^(n-1)+1)/2.at n=14A057198
• a(0)=3, a(n) = 3*a(n-1) + 2*(-1)^n.at n=14A096019
• a(n) = (5*9^n + 1)/2.at n=7A135423
• a(1) = 1, then A007051 ((3^n)+1)/2 interleaved with A057198 (5*3^(n-1)+1)/2.at n=30A246360