Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*10^j.

Terms

a(0) =1a(1) =7a(2) =10a(3) =49a(4) =140a(5) =100a(6) =343a(7) =1470a(8) =2100a(9) =1000a(10) =2401a(11) =13720a(12) =29400a(13) =28000a(14) =10000a(15) =16807a(16) =120050a(17) =343000a(18) =490000a(19) =350000a(20) =100000a(21) =117649a(22) =1008420a(23) =3601500a(24) =6860000a(25) =7350000a(26) =4200000a(27) =1000000a(28) =823543a(29) =8235430