Sum over all partitions of n into distinct parts of the LCM of the parts.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =7a(5) =15a(6) =21a(7) =39a(8) =58a(9) =90a(10) =142a(11) =218a(12) =325a(13) =465a(14) =695a(15) =948a(16) =1411a(17) =1977a(18) =2883a(19) =3940a(20) =5415a(21) =7422a(22) =10126a(23) =14091a(24) =18947a(25) =25666a(26) =34282a(27) =45890a(28) =60710a(29) =82211