35645
domain: N
Appears in sequences
- Number of discordant permutations.at n=4A000564
- The sum of both two and three consecutive squares.at n=2A007667
- Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_2 graph (C_n is the cycle graph on n vertices and P_2 is the path graph on 2 vertices).at n=58A102079
- Numbers n such that phi(n)=2*phi(n-1).at n=28A171271
- Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,0,1,4 for x=0,1,2,3,4.at n=10A196488
- Numbers n such that n!8-2 is prime.at n=59A204664
- Triangle T(n,k) of the numbers of k-matchings in the n-Moebius ladder (0 <= k <= n, n > 2).at n=55A302232