Decomposition of A074822
Primes p such that p + 4 is prime and p == 9 (mod 10) or primes for which the weight is equal to 5.
Decomposition of A074832
Primes whose binary reversal is also prime.
Decomposition of A074940
Numbers having at least one 2 in their ternary representation.
Decomposition of A075109
Odd perfect powers.
Decomposition of A075432
Primes with no squarefree neighbors.
Decomposition of A075584
Primes p such that the number of distinct prime divisors of all composite numbers between p and the next prime is 4.
Decomposition of A075587
Primes p such that the number of distinct prime divisors of all composite numbers between p and the next prime is 7.
Decomposition of A075592
Numbers n such that number of distinct prime divisors of n is a divisor of n.
Decomposition of A076056
Primes which when read backwards are composite numbers.
Decomposition of A076533
Numbers n such that sum of the distinct prime factors of phi(n) = sum of the distinct prime factors of sigma(n).