196549

Properties

Appears in sequences

• Primes p such that 2*p + 31 is a square.at n=34A269786
• Number of 7 X n 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=19A301796
• a(n) is the least prime p such that p+prime(n) has exactly n prime factors, counted with multiplicity.at n=16A332860
• Prime numbersat n=17700