Number of ways to write a + b + c = d + e = f with {a,b,c,d,e,f} a subset of [n] of size 6 and a < b < c and d < e.
A362717
Number of ways to write a + b + c = d + e = f with {a,b,c,d,e,f} a subset of [n] of size 6 and a < b < c and d < e.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =1a(9) =4a(10) =10a(11) =20a(12) =36a(13) =60a(14) =93a(15) =141a(16) =200a(17) =280a(18) =379a(19) =505a(20) =653a(21) =842a(22) =1057a(23) =1321a(24) =1622a(25) =1982a(26) =2384a(27) =2864a(28) =3390a(29) =4006
External references
- oeis: A362717