Triangle of coefficients in expansion of (14 + x)^n.

Terms

a(0) =1a(1) =14a(2) =1a(3) =196a(4) =28a(5) =1a(6) =2744a(7) =588a(8) =42a(9) =1a(10) =38416a(11) =10976a(12) =1176a(13) =56a(14) =1a(15) =537824a(16) =192080a(17) =27440a(18) =1960a(19) =70a(20) =1a(21) =7529536a(22) =3226944a(23) =576240a(24) =54880a(25) =2940a(26) =84a(27) =1a(28) =105413504a(29) =52706752