A finite sequence associated with the Lie algebra E_7.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =12a(12) =13a(13) =14a(14) =15a(15) =20a(16) =21a(17) =24a(18) =28a(19) =29a(20) =30a(21) =31a(22) =35a(23) =36a(24) =38a(25) =39a(26) =56a(27) =60a(28) =61a(29) =62