Indices of records in A381526.

Terms

a(0) =0a(1) =1a(2) =3a(3) =22a(4) =24a(5) =32a(6) =42a(7) =72a(8) =84a(9) =384a(10) =724a(11) =2584a(12) =200000002a(13) =200000004a(14) =2000000002