Smallest number which is the sum of two positive triangular numbers in exactly n different ways.

Terms

a(0) =1a(1) =2a(2) =16a(3) =81a(4) =471a(5) =1056a(6) =1381a(7) =11781a(8) =6906a(9) =17956a(10) =34531a(11) =123256a(12) =40056a(13) =4462656a(14) =305256a(15) =448906a(16) =200281a(17) =1957231a(18) =520731a(19) =10563906a(20) =1001406a(21) =11222656a(22) =539550781a(23) =3454506a(24) =1482081a(25) =75865156a(26) =7172606106a(27) =8852431a(28) =25035156a(29) =334020781