a(n) = Fibonacci(n)*A008655(n) for n >= 1, with a(0)=1, where A008655 lists the coefficients in (theta_3(x)*theta_3(3*x) + theta_2(x)*theta_2(3*x))^4.

A205968

a(n) = Fibonacci(n)*A008655(n) for n >= 1, with a(0)=1, where A008655 lists the coefficients in (theta_3(x)*theta_3(3*x) + theta_2(x)*theta_2(3*x))^4.

Terms

    a(0) =1a(1) =24a(2) =216a(3) =1776a(4) =5256a(5) =15120a(6) =63936a(7) =107328a(8) =294840a(9) =823344a(10) =1496880a(11) =2845152a(12) =9334656a(13) =12291216a(14) =28012608a(15) =68251680a(16) =110883528a(17) =188343792a(18) =563167296a(19) =688359840a(20) =1493387280a(21) =3343696512a(22) =5095667232a(23) =8368761024a(24) =24087248640a(25) =28361250600a(26) =57633511824a(27) =128471514096

External references