First quadrisection of Padovan sequence.

Terms

a(0) =1a(1) =0a(2) =2a(3) =5a(4) =16a(5) =49a(6) =151a(7) =465a(8) =1432a(9) =4410a(10) =13581a(11) =41824a(12) =128801a(13) =396655a(14) =1221537a(15) =3761840a(16) =11584946a(17) =35676949a(18) =109870576a(19) =338356945a(20) =1042002567a(21) =3208946545a(22) =9882257736a(23) =30433357674a(24) =93722435101a(25) =288627200960a(26) =888855064897