Numbers x such that it is possible to find a value k for which Sum_{j=1..x} (x mod j) = Sum_{j=1..k} j.
A244409
Numbers x such that it is possible to find a value k for which Sum_{j=1..x} (x mod j) = Sum_{j=1..k} j.
Terms
- a(0) =3a(1) =4a(2) =6a(3) =13a(4) =15a(5) =16a(6) =43a(7) =112a(8) =278a(9) =346a(10) =527a(11) =845a(12) =1214a(13) =1612a(14) =2189a(15) =2863a(16) =10278a(17) =610410a(18) =981350a(19) =2054106a(20) =3286515a(21) =3764767a(22) =4293562a(23) =5543363a(24) =5728393a(25) =20142483a(26) =66790186a(27) =67652048a(28) =72730730a(29) =137252581
External references
- oeis: A244409