Number of strings of numbers x(i=1..n) in 0..n with sum i*x(i) equal to n^2.
A184695
Number of strings of numbers x(i=1..n) in 0..n with sum i*x(i) equal to n^2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =28a(4) =156a(5) =985a(6) =6575a(7) =46037a(8) =332729a(9) =2467215a(10) =18668476a(11) =143639875a(12) =1120736308a(13) =8848906376a(14) =70585065382a(15) =568063412434
External references
- oeis: A184695