31381413903
domain: N
Appears in sequences
- Number of strings over Z_3 of length n with trace 0 and subtrace 0.at n=23A073947
- Number of (n+1) X (2+1) 0..1 arrays with each row and column divisible by 3, read as a binary number with top and left being the most significant bits.at n=22A262326
- Number of words of length 3n formed with 3 types of letter where the number of each type == 0 (mod 3).at n=8A391468