Number of 0..n arrays x(0..3) of 4 elements with each no smaller than the sum of its previous elements modulo (n+1).

A200253

Number of 0..n arrays x(0..3) of 4 elements with each no smaller than the sum of its previous elements modulo (n+1).

Terms

    a(0) =8a(1) =24a(2) =69a(3) =135a(4) =267a(5) =448a(6) =750a(7) =1125a(8) =1690a(9) =2376a(10) =3339a(11) =4459a(12) =5957a(13) =7680a(14) =9900a(15) =12393a(16) =15516a(17) =19000a(18) =23265a(19) =27951a(20) =33583a(21) =39744a(22) =47034a(23) =54925a(24) =64142a(25) =74088a(26) =85575a(27) =97875a(28) =111945a(29) =126976

External references