a(n) = (11^(n+2) + 12^(2*n+1))/133.A132395a(n) = (11^(n+2) + 12^(2*n+1))/133.Terms a(0) =1a(1) =23a(2) =1981a(3) =270623a(4) =38808661a(5) =5586675623a(6) =804461802541External referencesoeis: A132395