Triangle of coefficients in expansion of (2+5x)^n.

Terms

a(0) =1a(1) =2a(2) =5a(3) =4a(4) =20a(5) =25a(6) =8a(7) =60a(8) =150a(9) =125a(10) =16a(11) =160a(12) =600a(13) =1000a(14) =625a(15) =32a(16) =400a(17) =2000a(18) =5000a(19) =6250a(20) =3125a(21) =64a(22) =960a(23) =6000a(24) =20000a(25) =37500a(26) =37500a(27) =15625a(28) =128a(29) =2240