Lengths of loops in the P2 Penrose tiling.

Terms

a(0) =10a(1) =20a(2) =80a(3) =100a(4) =460a(5) =620a(6) =2780a(7) =3700a(8) =16660a(9) =22220a(10) =99980a(11) =133300a(12) =599860a(13) =799820a(14) =3599180a(15) =4798900a(16) =21595060a(17) =28793420a(18) =129570380a(19) =172760500a(20) =777422260a(21) =1036563020a(22) =4664533580a(23) =6219378100a(24) =27987201460a(25) =37316268620a(26) =167923208780a(27) =223897611700