Number of partitions of 1, 2, 3, or more copies of n into distinct parts.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =7a(6) =9a(7) =17a(8) =21a(9) =43a(10) =57a(11) =109a(12) =157a(13) =301a(14) =447a(15) =895a(16) =1307a(17) =2663a(18) =4207a(19) =8463a(20) =13283a(21) =28489a(22) =45151a(23) =95485a(24) =157767a(25) =336711a(26) =561603a(27) =1236963a(28) =2061173a(29) =4567227