Number of strings of numbers x(i=1..n) in 0..4 with sum i^4*x(i) equal to n^4*4.
A184343
Number of strings of numbers x(i=1..n) in 0..4 with sum i^4*x(i) equal to n^4*4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =5a(7) =2a(8) =20a(9) =45a(10) =111a(11) =998a(12) =915a(13) =15718a(14) =14778a(15) =191897a(16) =241229a(17) =1937847a(18) =3273330a(19) =17102347a(20) =37393151
External references
- oeis: A184343