Number of partitions of n into parts of 21 kinds.

Terms

a(0) =1a(1) =21a(2) =252a(3) =2233a(4) =16170a(5) =100926a(6) =560945a(7) =2837418a(8) =13266099a(9) =57994475a(10) =239170239a(11) =937026279a(12) =3507380170a(13) =12601619226a(14) =43628951025a(15) =146036139347a(16) =473924014599