139984
domain: N
Appears in sequences
- Length of n-th term in Look and Say sequences A005150 and A007651.at n=42A005341
- Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=7A207451
- Number of 6-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.at n=19A208973