Primes p such that min(d(p-1), d(p+1)) is larger than the corresponding values of all previous primes, where d(n) is the number of divisors of n (A000005).

A319823

Primes p such that min(d(p-1), d(p+1)) is larger than the corresponding values of all previous primes, where d(n) is the number of divisors of n (A000005).

Terms

    a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =19a(6) =41a(7) =197a(8) =199a(9) =449a(10) =701a(11) =881a(12) =3079a(13) =4159a(14) =18089a(15) =40699a(16) =51679a(17) =90271a(18) =388961a(19) =403649a(20) =446081a(21) =906751a(22) =1276001a(23) =12227489a(24) =37487449a(25) =53308529a(26) =59522849a(27) =109245401a(28) =285258401a(29) =459712639

External references