Numbers k such that 6*k and 10*k are triangular numbers.
A180926
Numbers k such that 6*k and 10*k are triangular numbers.
Terms
- a(0) =0a(1) =1a(2) =63a(3) =3906a(4) =242110a(5) =15006915a(6) =930186621a(7) =57656563588
External references
- oeis: A180926