292250
domain: N
Appears in sequences
- Number of orbits of length n under the map whose periodic points are counted by A001643.at n=25A060168
- Exponents f(n), n = 1, 2, ..., in the infinite product 1 - z - z^2 - z^3 = Product_{n>=1} (1-z^n)^f(n).at n=25A125951
- Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape Y; triangle T(n,k), n>=0, read by rows.at n=27A247712