101272
domain: N
Appears in sequences
- Number of nX4 0..3 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=5A222496
- T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=41A222500
- The order of the semigroup of orientation-preserving or reserving full transformations of n elements.at n=7A289718
- G.f. = Phi^2*F^4, where Phi = g.f. for A028930, F = g.f. for A028959.at n=19A328535