Positions of records in A087704.

Terms

a(0) =2a(1) =5a(2) =10a(3) =82a(4) =284a(5) =680a(6) =1322a(7) =68104a(8) =149795a(9) =213895a(10) =1023127a(11) =3775307a(12) =25396927a(13) =36254395a(14) =53343289a(15) =68677522a(16) =266888359a(17) =366901277a(18) =558829814a(19) =1576699732a(20) =8527370677a(21) =11616255230a(22) =16948492520a(23) =167299409017a(24) =222801579737