Powers of cube root of 24 rounded up.

Terms

a(0) =1a(1) =3a(2) =9a(3) =24a(4) =70a(5) =200a(6) =576a(7) =1662a(8) =4793a(9) =13824a(10) =39876a(11) =115021a(12) =331776a(13) =957008a(14) =2760488a(15) =7962624a(16) =22968183a(17) =66251702a(18) =191102976a(19) =551236371a(20) =1590040836a(21) =4586471424a(22) =13229672881a(23) =38160980056a(24) =110075314176a(25) =317512149144a(26) =915863521340