a(n) = 11321 - 23479*n + 16423*n^2 - 4693*n^3 + 471*n^4.

Terms

a(0) =43a(1) =47a(2) =131a(3) =397a(4) =12251a(5) =58403a(6) =172867a(7) =400961a(8) =799307a(9) =1435831a(10) =2389763a(11) =3751637a(12) =5623291a(13) =8117867a(14) =11359811a(15) =15484873a(16) =20640107a(17) =26983871a(18) =34685827a(19) =43926941a(20) =54899483a(21) =67807027a(22) =82864451a(23) =100297937a(24) =120344971a(25) =143254343a(26) =169286147