40199
domain: N
Appears in sequences
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite STI = Stilbite Na4Ca8[Al20Si52O144].56H2O starting with a T1 atom.at n=14A019241
- Numbers n such that sigma (phi ( n ) ) = sigma (sigma (n ) ) where phi is Euler's totient and sigma is the multiplicative sum-of-divisors function.at n=21A065556
- Number of permutations of 1..n with displacements restricted to {-4,-3,0,1,2}.at n=15A189581
- Number of (n+1) X (3+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2 X 2 subblock equal.at n=3A236879
- Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal.at n=2A236880
- T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2 X 2 subblock equal.at n=17A236884
- T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2 X 2 subblock equal.at n=18A236884