Sum of the remainders when the n-th triangular number is divided by all smaller triangular numbers > 1.

A072524

Sum of the remainders when the n-th triangular number is divided by all smaller triangular numbers > 1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =5a(4) =8a(5) =10a(6) =33a(7) =35a(8) =37a(9) =86a(10) =87a(11) =122a(12) =112a(13) =207a(14) =215a(15) =255a(16) =354a(17) =389a(18) =448a(19) =493a(20) =633a(21) =710a(22) =681a(23) =1016a(24) =1042a(25) =1214a(26) =1420a(27) =1518a(28) =1645a(29) =1654

External references