Number of strings of numbers x(i=1..n) in 0..2 with sum i^4*x(i) equal to n^4*2.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =1a(8) =2a(9) =2a(10) =2a(11) =1a(12) =9a(13) =1a(14) =11a(15) =1a(16) =23a(17) =2a(18) =47a(19) =3a(20) =123a(21) =80a(22) =262a(23) =990a(24) =767a(25) =9273a(26) =3984a(27) =68257a(28) =29667a(29) =424702