; A144404: Triangle T(n,k) = 3*binomial(n, k)^2 - binomial(n, k) - 1, read by rows.
; 1,1,1,1,9,1,1,23,23,1,1,43,101,43,1,1,69,289,289,69,1,1,101,659,1179,659,101,1,1,139,1301,3639,3639,1301,139,1,1,183,2323,9351,14629,9351,2323,183,1,1,233,3851,21083,47501,47501,21083,3851,233,1,1,289,6029,43079,132089,190259,132089,43079,6029,289,1,1,351,9019,81509,326369,639869,639869,326369,81509,9019,351,1,1,419,13001,144979,734579,1880999,2560403,1880999,734579,144979,13001,419,1,1,493,18173,245101,1532959,4967819,8832251,8832251,4967819

seq $0,7318 ; Pascal's triangle read by rows: C(n,k) = binomial(n,k) = n!/(k!*(n-k)!), 0 <= k <= n.
mul $0,3
bin $0,2
mul $0,4
sub $0,12
div $0,6
add $0,1
