Triangle of coefficients in expansion of (6+7x)^n.

Terms

a(0) =1a(1) =6a(2) =7a(3) =36a(4) =84a(5) =49a(6) =216a(7) =756a(8) =882a(9) =343a(10) =1296a(11) =6048a(12) =10584a(13) =8232a(14) =2401a(15) =7776a(16) =45360a(17) =105840a(18) =123480a(19) =72030a(20) =16807a(21) =46656a(22) =326592a(23) =952560a(24) =1481760a(25) =1296540a(26) =605052a(27) =117649a(28) =279936a(29) =2286144