Indices of records in A211996.

Terms

a(0) =1a(1) =3a(2) =48a(3) =828a(4) =8820a(5) =26100a(6) =417600a(7) =2114100a(8) =3009600a(9) =43864128a(10) =200278848a(11) =1013911668a(12) =7823392500a(13) =16222586688a(14) =259561387008a(15) =633694792500