Imaginary part of a Gaussian integer sequence with a Gaussian integer Somos-4 Hankel transform.

A183894

Imaginary part of a Gaussian integer sequence with a Gaussian integer Somos-4 Hankel transform.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =-3a(4) =-3a(5) =25a(6) =25a(7) =-223a(8) =-223a(9) =2217a(10) =2217a(11) =-23427a(12) =-23427a(13) =258417a(14) =258417a(15) =-2941311a(16) =-2941311a(17) =34289041a(18) =34289041a(19) =-407344771a(20) =-407344771a(21) =4913508489a(22) =4913508489a(23) =-60018592735a(24) =-60018592735a(25) =740910077497a(26) =740910077497

External references