Irregular triangle read by rows: row n consists of the coefficients in the expansion of the polynomial x*(x^2 - 2) + x*(((v - w)/2)^n + ((v + w)/2)^n), where v = 3 + 2*x and w = sqrt(5 + 4*x).
A316659
Irregular triangle read by rows: row n consists of the coefficients in the expansion of the polynomial x*(x^2 - 2) + x*(((v - w)/2)^n + ((v + w)/2)^n), where v = 3 + 2*x and w = sqrt(5 + 4*x).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =2a(7) =1a(8) =0a(9) =5a(10) =8a(11) =3a(12) =0a(13) =16a(14) =30a(15) =16a(16) =2a(17) =0a(18) =45a(19) =104a(20) =81a(21) =24a(22) =2a(23) =0a(24) =121a(25) =340a(26) =356a(27) =170a(28) =35a(29) =2
External references
- oeis: A316659