"EFK" (unordered, size, unlabeled) transform of 2,1,1,1,...

Terms

a(0) =1a(1) =2a(2) =1a(3) =3a(4) =3a(5) =4a(6) =6a(7) =7a(8) =9a(9) =11a(10) =15a(11) =17a(12) =22a(13) =26a(14) =32a(15) =39a(16) =47a(17) =55a(18) =67a(19) =79a(20) =93a(21) =111a(22) =130a(23) =152a(24) =178a(25) =208a(26) =241a(27) =281a(28) =325a(29) =375