a(n) is the least prime p such that there are exactly n squarefree numbers strictly between p and the next prime, or -1 if there is no such p.
A378111
a(n) is the least prime p such that there are exactly n squarefree numbers strictly between p and the next prime, or -1 if there is no such p.
Terms
- a(0) =2a(1) =5a(2) =13a(3) =31a(4) =89a(5) =139a(6) =113a(7) =199a(8) =211a(9) =317a(10) =1759a(11) =1381a(12) =1951a(13) =887a(14) =4523a(15) =2179a(16) =2477a(17) =4831a(18) =5351a(19) =4297a(20) =1327a(21) =9973a(22) =14107a(23) =19333a(24) =16141a(25) =20809a(26) =15683a(27) =37907a(28) =28229a(29) =58831
External references
- oeis: A378111