a(n) is the first prime p such that p - 2 and p + 2 both have exactly n prime factors, counted with multiplicity.

A371651

a(n) is the first prime p such that p - 2 and p + 2 both have exactly n prime factors, counted with multiplicity.

Terms

    a(0) =5a(1) =23a(2) =173a(3) =2693a(4) =32587a(5) =495637a(6) =4447627a(7) =35303123a(8) =717591877a(9) =928090627a(10) =69692326373a(11) =745041171877

External references