Records in A000230.

Terms

a(0) =2a(1) =3a(2) =7a(3) =23a(4) =89a(5) =139a(6) =199a(7) =1831a(8) =2477a(9) =2971a(10) =4297a(11) =5591a(12) =9551a(13) =30593a(14) =81463a(15) =82073a(16) =89689a(17) =162143a(18) =173359a(19) =404597a(20) =542603a(21) =544279a(22) =927869a(23) =1100977a(24) =1444309a(25) =2238823a(26) =5845193a(27) =6752623a(28) =6958667a(29) =7621259