The least number k such that there are n different representations of k as the difference of two positive triangular numbers.
A136108
The least number k such that there are n different representations of k as the difference of two positive triangular numbers.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =9a(4) =27a(5) =45a(6) =63a(7) =105a(8) =135a(9) =225a(10) =405a(11) =630a(12) =315a(13) =531441a(14) =3645a(15) =1485a(16) =945a(17) =4851a(18) =1575a(19) =13041a(20) =2835a(21) =18225a(22) =295245a(23) =4095a(24) =3465a(25) =50625a(26) =2657205a(27) =11025a(28) =25515a(29) =52650
External references
- oeis: A136108