Powers of cube root of 24 rounded down.

Terms

a(0) =1a(1) =2a(2) =8a(3) =24a(4) =69a(5) =199a(6) =576a(7) =1661a(8) =4792a(9) =13824a(10) =39875a(11) =115020a(12) =331776a(13) =957007a(14) =2760487a(15) =7962624a(16) =22968182a(17) =66251701a(18) =191102976a(19) =551236370a(20) =1590040835a(21) =4586471424a(22) =13229672880a(23) =38160980055a(24) =110075314176a(25) =317512149143a(26) =915863521339