383670
domain: N
Appears in sequences
- a(1) = 1; for n >= 2, a(n) = n times the reverse of a(n-1).at n=9A034874
- Number of positions that are exactly n moves from the starting position in the Classic Lights Out puzzle.at n=13A079873
- a(n) = ((9 + sqrt(2))^n - (9 - sqrt(2))^n)/(2*sqrt(2)).at n=5A153593
- a(n) = n*(n + 1)*(n + 2)*(4*n - 3)/6.at n=27A264851