Array A(n,k) with all numbers m such that 3*m^2 +- 3^k is a square and their corresponding square roots, read by downward antidiagonals.
A227418
Array A(n,k) with all numbers m such that 3*m^2 +- 3^k is a square and their corresponding square roots, read by downward antidiagonals.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =0a(4) =2a(5) =4a(6) =3a(7) =3a(8) =7a(9) =15a(10) =0a(11) =6a(12) =12a(13) =26a(14) =56a(15) =9a(16) =9a(17) =21a(18) =45a(19) =97a(20) =209a(21) =0a(22) =18a(23) =36a(24) =78a(25) =168a(26) =362a(27) =780a(28) =27a(29) =27
External references
- oeis: A227418