Pisot sequence P(4,10).

Terms

a(0) =4a(1) =10a(2) =25a(3) =62a(4) =154a(5) =383a(6) =953a(7) =2371a(8) =5899a(9) =14677a(10) =36517a(11) =90856a(12) =226054a(13) =562433a(14) =1399360a(15) =3481674a(16) =8662570a(17) =21552885a(18) =53624600a(19) =133420548a(20) =331956651a(21) =825923891a(22) =2054937811a(23) =5112782731a(24) =12720845913a(25) =31650067929a(26) =78746870040a(27) =195925947300a(28) =487473048845