Numbers k such that the sum of the non-divisors of k between 1 and k is a perfect square.
A076624
Numbers k such that the sum of the non-divisors of k between 1 and k is a perfect square.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =6a(4) =14a(5) =149a(6) =158a(7) =384a(8) =846a(9) =5065a(10) =8648a(11) =181166a(12) =196366a(13) =947545a(14) =5821349a(15) =55867168a(16) =491372910a(17) =4273496001a(18) =40534401950a(19) =87226316289
External references
- oeis: A076624