For any circular arrangement of 0..n-1, let S be the sum of cubes of every sum of two contiguous numbers; then a(n) is the number of distinct values of S.
A008781
For any circular arrangement of 0..n-1, let S be the sum of cubes of every sum of two contiguous numbers; then a(n) is the number of distinct values of S.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =12a(5) =46a(6) =163a(7) =405a(8) =770a(9) =1252a(10) =1921a(11) =2816a(12) =3977a(13) =5464a(14) =7313
External references
- oeis: A008781