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

Terms

a(0) =1a(1) =7a(2) =1a(3) =49a(4) =14a(5) =1a(6) =343a(7) =147a(8) =21a(9) =1a(10) =2401a(11) =1372a(12) =294a(13) =28a(14) =1a(15) =16807a(16) =12005a(17) =3430a(18) =490a(19) =35a(20) =1a(21) =117649a(22) =100842a(23) =36015a(24) =6860a(25) =735a(26) =42a(27) =1a(28) =823543a(29) =823543