Number of numbers with 6 decimal digits and sum of digits = n.

Terms

a(0) =1a(1) =6a(2) =21a(3) =56a(4) =126a(5) =252a(6) =462a(7) =792a(8) =1287a(9) =2001a(10) =2992a(11) =4317a(12) =6027a(13) =8162a(14) =10746a(15) =13782a(16) =17247a(17) =21087a(18) =25212a(19) =29496a(20) =33787a(21) =37917a(22) =41712a(23) =45002a(24) =47631a(25) =49467a(26) =50412a(27) =50412a(28) =49467a(29) =47631