340704
domain: N
Appears in sequences
- Number of primitive polynomials of degree n over GF(9).at n=7A027745
- a(n) = sigma_3(2*n+1).at n=34A045823
- a(0)=1, a(n) = sigma_3(3n).at n=23A092341
- a(n) = binomial(n+2,2)*binomial(n+5,5).at n=11A107417
- a(n) = n^3*(n+1)^2*(n+2)/12.at n=11A165187
- Number of n X 5 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=11A208139
- Number of regions in the hyperoctahedral (or cocktail party) graph of order n.at n=27A368755
- The second Jordan totient function applied to the squares.at n=25A379833