Number of triangular number parts in all partitions of n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =8a(5) =14a(6) =24a(7) =37a(8) =56a(9) =85a(10) =124a(11) =178a(12) =254a(13) =354a(14) =489a(15) =671a(16) =907a(17) =1217a(18) =1624a(19) =2144a(20) =2815a(21) =3675a(22) =4764a(23) =6142a(24) =7885a(25) =10062a(26) =12788a(27) =16183a(28) =20391a(29) =25590