13667858
domain: N
Appears in sequences
- Number of 0..n arrays of length n+1 with 0 never adjacent to n.at n=6A212833
- Number of 0..7 arrays of length n+1 with 0 never adjacent to 7.at n=6A212834
- Number of 0..n arrays of length 8 with 0 never adjacent to n.at n=6A212841
- Number of octonary sequences of length n such that no two consecutive terms have distance 7.at n=8A287815