Solid partitions of n, distinct along rows.

Terms

a(0) =1a(1) =3a(2) =7a(3) =16a(4) =33a(5) =71a(6) =141a(7) =284a(8) =552a(9) =1067a(10) =2020a(11) =3803a(12) =7043a(13) =12957a(14) =23566a(15) =42536a(16) =76068a(17) =135093a(18) =238001a(19) =416591