Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly five ways.
A076458
Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly five ways.
Terms
- a(0) =17a(1) =165a(2) =678a(3) =1910a(4) =4335a(5) =8547a(6) =15260a(7) =25308a(8) =39645a(9) =59345a(10) =85602a(11) =119730a(12) =163163a(13) =217455a(14) =284280a(15) =365432a(16) =462825a(17) =578493a(18) =714590a(19) =873390a(20) =1057287a(21) =1268795a(22) =1510548a(23) =1785300a(24) =2095925a(25) =2445417a(26) =2836890a(27) =3273578a(28) =3758835a(29) =4296135
External references
- oeis: A076458