Number of nondecreasing arrangements of n+3 numbers in 0..4 with each number being the sum mod 5 of three others.
A183899
Number of nondecreasing arrangements of n+3 numbers in 0..4 with each number being the sum mod 5 of three others.
Terms
- a(0) =1a(1) =5a(2) =66a(3) =174a(4) =329a(5) =539a(6) =815a(7) =1169a(8) =1614a(9) =2164a(10) =2834a(11) =3640a(12) =4599a(13) =5729a(14) =7049a(15) =8579a(16) =10340a(17) =12354a(18) =14644a(19) =17234a(20) =20149a(21) =23415a(22) =27059a(23) =31109a(24) =35594a(25) =40544a(26) =45990a(27) =51964a(28) =58499a(29) =65629
External references
- oeis: A183899