Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls.

A005338

Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls.

Terms

    a(0) =1a(1) =8a(2) =31a(3) =85a(4) =190a(5) =360a(6) =610a(7) =956a(8) =1415a(9) =2005a(10) =2745a(11) =3655a(12) =4756a(13) =6070a(14) =7620a(15) =9430a(16) =11525a(17) =13931a(18) =16675a(19) =19785a(20) =23290a(21) =27220a(22) =31606a(23) =36480a(24) =41875a(25) =47825a(26) =54365a(27) =61531a(28) =69360a(29) =77890

External references