Expansion of 1/(1-3*x)^6; 6-fold convolution of A000244 (powers of 3).

A036219

Expansion of 1/(1-3*x)^6; 6-fold convolution of A000244 (powers of 3).

Terms

    a(0) =1a(1) =18a(2) =189a(3) =1512a(4) =10206a(5) =61236a(6) =336798a(7) =1732104a(8) =8444007a(9) =39405366a(10) =177324147a(11) =773778096a(12) =3288556908a(13) =13660159464a(14) =55616363532a(15) =222465454128a(16) =875957725629

External references