Number of (w,x,y,z) with all terms in {0,...,n} such that range{w,x,y,z} is not one of the numbers w,x,y,z.
A212569
Number of (w,x,y,z) with all terms in {0,...,n} such that range{w,x,y,z} is not one of the numbers w,x,y,z.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =31a(4) =96a(5) =321a(6) =690a(7) =1471a(8) =2576a(9) =4465a(10) =6930a(11) =10671a(12) =15312a(13) =21841a(14) =29666a(15) =40111a(16) =52320a(17) =68001a(18) =85986a(19) =108415a(20) =133760a(21) =164641a(22) =199122a(23) =240351a(24) =285936a(25) =339601a(26) =398450a(27) =466831a(28) =541296a(29) =626865
External references
- oeis: A212569