1062884

Appears in sequences

• a(0)=4, a(n) = 3*a(n-1) - 4.at n=12A115099
• Total number of round trips, each of length 2*n on the graph P_5 (o-o-o-o-o).at n=12A198635
• Numbers that are palindromic in bases 3, 9 and 27.at n=24A308832
• a(n) = Sum_{k = 0..n} binomial(n,k)^12.at n=3A342295
• a(n) = Sum_{d|n} d^(n/d-1) * (n/d)^(d-1).at n=26A359004