996840
domain: N
Appears in sequences
- Numbers n such that sigma(n) = 15*phi(n) (where sigma=A000203, phi=A000010).at n=18A171260
- Number of (n+1) X 3 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.at n=3A206015
- Number of (n+1) X 5 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.at n=1A206017
- T(n,k) = number of (n+1) X (k+1) 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.at n=11A206021
- T(n,k) = number of (n+1) X (k+1) 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock unequal to the number of counterclockwise edge increases.at n=13A206021