Decomposition of A173626
Primes p such that p-1 has no prime factors larger than sqrt(p).
Decomposition of A174635
Prime numbers that are not Ramanujan primes.
Decomposition of A174905
Numbers with no pair (d,e) of divisors such that d < e < 2*d.
Decomposition of A174913
Lesser of twin primes p1 such that 2*p1+p2 is a prime number.
Decomposition of A175090
Composites c with result 0 under iterations of {r mod (max prime p <= r)} starting at r = c.
Decomposition of A175495
Those positive integers n where n < 2^d(n), where d(n) = number of divisors of n.
Decomposition of A175789
Primes that become another prime under the map 8 <-> 9 (acting on the decimal digits).
Decomposition of A175885
Numbers that are congruent to {1, 10} mod 11.
Decomposition of A175886
Numbers that are congruent to {1, 12} mod 13.
Decomposition of A175887
Numbers that are congruent to {1, 14} mod 15.









