Highly composite triangular numbers: triangular numbers where the number of divisors increases to a record.

A076711

Highly composite triangular numbers: triangular numbers where the number of divisors increases to a record.

Terms

    a(0) =1a(1) =3a(2) =6a(3) =28a(4) =36a(5) =120a(6) =300a(7) =528a(8) =630a(9) =2016a(10) =3240a(11) =5460a(12) =25200a(13) =73920a(14) =157080a(15) =437580a(16) =749700a(17) =1385280a(18) =1493856a(19) =2031120a(20) =2162160a(21) =17907120a(22) =76576500a(23) =103672800a(24) =236215980a(25) =842161320a(26) =3090906000a(27) =4819214400a(28) =7589181600a(29) =7966312200

External references