Decomposition of A157468
Primes of the form sqrt(p-1)-1, where p is a prime.
Decomposition of A157483
Numbers n such that n-1 and n+1 are divisible by exactly 3 primes, counted with multiplicity.
Decomposition of A157931
Numbers that are both the sum and the product of two primes.
Decomposition of A158614
Numbers n such that 30*n + 11 is prime.
Decomposition of A158714
Primes p such that p1 = ceil(p/2) + p is prime and p2 = floor(p1/2) + p1 is prime.
Decomposition of A158913
Primes p such that there is a composite c with sigma(p) = sigma(c).
Decomposition of A160591
Indices of primes congruent to 5 modulo 12.
Decomposition of A161597
Numbers such that TITO(n) = n, where TITO(n) = A161594(n).
Decomposition of A161600
Nonprime numbers such that TITO(n) = n, where TITO(n) = A161594(n).
Decomposition of Primes classified by level
Primes classified by level.









