90798

Appears in sequences

• a(n) = floor(binomial(n,9)/9).at n=23A011855
• Triangle T(n,k), n>=1, 0<=k<=n^2, read by rows: row n gives the coefficients of the chromatic polynomial of the square grid graph G_(n,n), highest powers first.at n=38A182368
• First index k where A366574(k) = n.at n=37A366724