The length of Sapro's necklace at successive years in Werneck's Black Pearl Necklace problem.

Terms

a(0) =3a(1) =5a(2) =7a(3) =10a(4) =14a(5) =21a(6) =32a(7) =47a(8) =71a(9) =106a(10) =158a(11) =237a(12) =356a(13) =533a(14) =800a(15) =1199a(16) =1799a(17) =2698a(18) =4046a(19) =6069a(20) =9104a(21) =13655a(22) =20483a(23) =30724a(24) =46085a(25) =69128a(26) =103691a(27) =155537a(28) =233305a(29) =349957