Number of 5-tuples (v1,v2,v3,v4,v5) of nonnegative integers less than n such that v1 <= v4, v1 <= v5, v2 <= v4, v2 <= v5 and v3 <= v4.

A085463

Number of 5-tuples (v1,v2,v3,v4,v5) of nonnegative integers less than n such that v1 <= v4, v1 <= v5, v2 <= v4, v2 <= v5 and v3 <= v4.

Terms

    a(0) =1a(1) =12a(2) =63a(3) =219a(4) =594a(5) =1365a(6) =2786a(7) =5202a(8) =9063a(9) =14938a(10) =23529a(11) =35685a(12) =52416a(13) =74907a(14) =104532a(15) =142868a(16) =191709a(17) =253080a(18) =329251a(19) =422751a(20) =536382a(21) =673233a(22) =836694a(23) =1030470a(24) =1258595a(25) =1525446a(26) =1835757a(27) =2194633a(28) =2607564a(29) =3080439

External references