Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i) equal to n^2*8.
A183952
Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i) equal to n^2*8.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =48a(4) =259a(5) =1387a(6) =7099a(7) =34847a(8) =163588a(9) =737538a(10) =3200055a(11) =13400036a(12) =54289217a(13) =213301597a(14) =814463579a(15) =3028171125a(16) =10981909481a(17) =38908787433a(18) =134868584027a(19) =457962911722
External references
- oeis: A183952