a(n) = A000045(n+1)*A000292(n) (product of a Fibonacci number and a tetrahedral number).

Terms

a(0) =0a(1) =1a(2) =8a(3) =30a(4) =100a(5) =280a(6) =728a(7) =1764a(8) =4080a(9) =9075a(10) =19580a(11) =41184a(12) =84812a(13) =171535a(14) =341600a(15) =671160a(16) =1303152a(17) =2503896a(18) =4766340a(19) =8997450a(20) =16856840a(21) =31366181a(22) =58001768a(23) =106646400a(24) =195065000a(25) =355074525a(26) =643465368a(27) =1161281394a(28) =2087769740a(29) =3740019800