Number of -n..n arrays x(0..6) of 7 elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2).
A199914
Number of -n..n arrays x(0..6) of 7 elements with zero sum, and adjacent elements not equal modulo three (with -1 modulo 3 = 2).
Terms
- a(0) =56a(1) =654a(2) =5206a(3) =24864a(4) =77874a(5) =216530a(6) =518560a(7) =1071202a(8) =2114394a(9) =3876376a(10) =6593960a(11) =10975656a(12) =17458840a(13) =26545266a(14) =39896954a(15) =58112992a(16) =82129122a(17) =115325122a(18) =158200672a(19) =212380574a(20) =284094678a(21) =373133880a(22) =482198944a(23) =621972384a(24) =790417208
External references
- oeis: A199914