Number of strings of numbers x(i=1..n) in 0..7 with sum i^4*x(i) equal to n^4*7.
A184346
Number of strings of numbers x(i=1..n) in 0..7 with sum i^4*x(i) equal to n^4*7.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =7a(5) =16a(6) =45a(7) =628a(8) =1612a(9) =14387a(10) =52539a(11) =275568a(12) =1397560a(13) =5222290a(14) =30835346a(15) =108322293a(16) =606465366a(17) =2386082882
External references
- oeis: A184346