1/4 the number of arrangements of 6 nonzero numbers x(i) in -n..n with the sum of sign(x(i))*(|x(i)| mod x(i+1)) equal to zero.

A189955

1/4 the number of arrangements of 6 nonzero numbers x(i) in -n..n with the sum of sign(x(i))*(|x(i)| mod x(i+1)) equal to zero.

Terms

    a(0) =16a(1) =280a(2) =2393a(3) =9884a(4) =31284a(5) =77459a(6) =168737a(7) =327880a(8) =595697a(9) =1005710a(10) =1621554a(11) =2504978a(12) =3738572a(13) =5418036a(14) =7662698a(15) =10565406a(16) =14315713a(17) =19055943a(18) =24956731a(19) =32281835a(20) =41217268a(21) =51991454a(22) =64917759a(23) =80355606a(24) =98539718a(25) =119899372

External references