Number of partitions of triangular numbers n*(n+1)/2 into (n-2) distinct parts for n>=3.

Terms

a(0) =1a(1) =4a(2) =12a(3) =27a(4) =57a(5) =110a(6) =201a(7) =352a(8) =598a(9) =984a(10) =1586a(11) =2503a(12) =3882a(13) =5928a(14) =8932a(15) =13287a(16) =19551a(17) =28472a(18) =41078a(19) =58754a(20) =83372a(21) =117417a(22) =164230a(23) =228212a(24) =315190a(25) =432817a(26) =591130a(27) =803192a(28) =1086035a(29) =1461680