Triangular matrix T where column 0 of T^m equals C(m*3^(n-1), n) at row n for n>=0, m>=0.

A179430

Triangular matrix T where column 0 of T^m equals C(m*3^(n-1), n) at row n for n>=0, m>=0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =1a(6) =84a(7) =405a(8) =81a(9) =1a(10) =17550a(11) =121500a(12) =32805a(13) =729a(14) =1a(15) =25621596a(16) =247203171a(17) =82255257a(18) =2539107a(19) =6561a(20) =1a(21) =268715232324a(24) =53628242751a(25) =199290375a(26) =59049a(27) =1

External references