Sum of all parts of all partitions of n that contain 1 as a part.

Terms

a(0) =1a(1) =2a(2) =6a(3) =12a(4) =25a(5) =42a(6) =77a(7) =120a(8) =198a(9) =300a(10) =462a(11) =672a(12) =1001a(13) =1414a(14) =2025a(15) =2816a(16) =3927a(17) =5346a(18) =7315a(19) =9800a(20) =13167a(21) =17424a(22) =23046a(23) =30120a(24) =39375a(25) =50908a(26) =65772a(27) =84280a(28) =107822a(29) =136950