Coefficients T(n,k) of x^(3*n)*r^(3*k)/(3*n)! in power series D(x,r) = 1 + r^3 * Integral S(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a triangle read by rows.
A357542
Coefficients T(n,k) of x^(3*n)*r^(3*k)/(3*n)! in power series D(x,r) = 1 + r^3 * Integral S(x,r)^2 * D(x,r)^2 dx such that C(x,r)^3 - S(x,r)^3 = 1 and D(x,r)^3 - r^3*S(x,r)^3 = 1, as a triangle read by rows.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =0a(4) =120a(5) =40a(6) =0a(7) =21600a(8) =37440a(9) =3680a(10) =0a(11) =8553600a(12) =38966400a(13) =20592000a(14) =880000a(15) =0a(16) =6329664000a(17) =57708288000a(18) =79491456000a(19) =19269888000a(20) =435776000a(21) =0a(27) =386949376000a(28) =0
External references
- oeis: A357542