Weak Goodstein sequence starting at 11.

Terms

a(0) =11a(1) =30a(2) =67a(3) =127a(4) =217a(5) =343a(6) =511a(7) =636a(8) =775a(9) =928a(10) =1095a(11) =1276a(12) =1471a(13) =1680a(14) =1903a(15) =2139a(16) =2389a(17) =2653a(18) =2931a(19) =3223a(20) =3529a(21) =3849a(22) =4183a(23) =4531a(24) =4893a(25) =5269a(26) =5659a(27) =6063a(28) =6481a(29) =6913