Numbers of the form p^2-1 that have a record-breaking number of divisors, where p is prime.

Terms

a(0) =3a(1) =8a(2) =24a(3) =48a(4) =120a(5) =288a(6) =360a(7) =840a(8) =1680a(9) =5040a(10) =11880a(11) =32760a(12) =143640a(13) =201600a(14) =491400a(15) =776160a(16) =2042040a(17) =3500640a(18) =7447440a(19) =9480240a(20) =17297280a(21) =34234200a(22) =143256960a(23) =514337040a(24) =555120720a(25) =569729160a(26) =1656408600a(27) =4283571600a(28) =8148853440a(29) =10951831800