Smallest number that can be written in n ways as an unordered sum of 3 nonzero triangular numbers.

Terms

a(0) =0a(1) =3a(2) =12a(3) =30a(4) =61a(5) =52a(6) =82a(7) =136a(8) =142a(9) =147a(10) =192a(11) =277a(12) =247a(13) =367a(14) =552a(15) =457a(16) =516a(17) =507a(18) =646a(19) =637a(20) =721a(21) =822a(22) =787a(23) =1171a(24) =1066a(25) =1137a(26) =1227a(27) =1402a(28) =1192a(29) =1396