7264534528domain: NAppears in sequencesa(n) = T(n,2), array T as in A049600.at n=27A049611Binomial transform of binomial(n+2,2).at n=26A084851(4*s^4 - 3*t^4)*(16*s^8 + 408*s^4*t^4 + 9*t^8), where s > 0, t = 1..s.at n=9A241925