Triangular numbers that are the sum of three consecutive triangular numbers.
A129803
Triangular numbers that are the sum of three consecutive triangular numbers.
Terms
- a(0) =10a(1) =136a(2) =1891a(3) =26335a(4) =366796a(5) =5108806a(6) =71156485a(7) =991081981a(8) =13803991246a(9) =192264795460
External references
- oeis: A129803