85773
domain: N
Appears in sequences
- Number of chiral n-ominoes in n-1 space.at n=20A045649
- Number of reversible strings with n beads using exactly three different colors.at n=10A056310
- Number of primitive (aperiodic) reversible strings with n beads using exactly three different colors.at n=10A056319
- Number of length 2+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=13A249658
- Triangle read by rows: T(n,k) is the number of rows of n colors with exactly k different colors counting chiral pairs as equivalent, i.e., the rows are reversible.at n=57A305621