Number of planar partitions of n with all part sizes distinct.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =5a(6) =9a(7) =11a(8) =15a(9) =21a(10) =35a(11) =41a(12) =59a(13) =75a(14) =103a(15) =149a(16) =187a(17) =243a(18) =321a(19) =413a(20) =527a(21) =735a(22) =895a(23) =1165a(24) =1467a(25) =1885a(26) =2335a(27) =2997a(28) =3853a(29) =4765