Integers b for which there exists an integer y < b such that b^2+1 divides y^4.
A289390
Integers b for which there exists an integer y < b such that b^2+1 divides y^4.
Terms
- a(0) =239a(1) =682a(2) =4443a(3) =12943a(4) =275807a(5) =6826318a(6) =26392464a(7) =30349818a(8) =54608393a(9) =54610269a(10) =103224943a(11) =275805068a(12) =419282318a(13) =1085592682a(14) =1268860318a(15) =1344783432a(16) =2321201748
External references
- oeis: A289390