22906492246
domain: N
Appears in sequences
- a(n) = (8^n + 2*(-1)^n)/3.at n=12A007613
- a(n) = (4^n + 2)/3.at n=18A047849
- Numbers of the form (4^n + 4^(n-1) + ... + 1) + (n mod 2).at n=16A088556
- Expansion of (1-11x)/((1-x)(1-16x)).at n=9A091881
- Row sums of triangle A135230.at n=35A135231
- a(n) = 3*a(n-1) - 3*a(n-2) + 2*a(n-3), with a(0) = 2, a(1) = -3, a(2) = 3.at n=33A135353
- a(0)=1, a(n)= 2+2^n/6+4*(-1)^n/3, n>0.at n=37A173197
- a(n) = Sum_{k=0..n} binomial(2*n,3*k).at n=18A387843