Indices of records in A237660.

Terms

a(0) =3a(1) =42a(2) =75a(3) =151a(4) =2730a(5) =7281a(6) =14563a(7) =174762a(8) =184111a(9) =932067a(10) =11184810a(11) =13256071a(12) =26512143a(13) =715827882a(14) =1908874353