Number of arrangements of n+2 numbers in 0..4 with each number being the sum mod 5 of two others.
A183879
Number of arrangements of n+2 numbers in 0..4 with each number being the sum mod 5 of two others.
Terms
- a(0) =1a(1) =25a(2) =821a(3) =8361a(4) =57625a(5) =336617a(6) =1817149a(7) =9433849a(8) =48036737a(9) =242284857a(10) =1216409221a(11) =6093687497a(12) =30495285865a(13) =152537717449a(14) =762827288141
External references
- oeis: A183879