Primes p such that p+1 is a highly composite number.

Terms

a(0) =3a(1) =5a(2) =11a(3) =23a(4) =47a(5) =59a(6) =179a(7) =239a(8) =359a(9) =719a(10) =839a(11) =1259a(12) =5039a(13) =7559a(14) =10079a(15) =55439a(16) =110879a(17) =166319a(18) =665279a(19) =1081079a(20) =1441439a(21) =6486479a(22) =32432399a(23) =61261199a(24) =698377679a(25) =735134399a(26) =1102701599a(27) =1396755359a(28) =2205403199a(29) =20951330399