Powers of cube root of 22 rounded down.

Terms

a(0) =1a(1) =2a(2) =7a(3) =22a(4) =61a(5) =172a(6) =484a(7) =1356a(8) =3800a(9) =10648a(10) =29836a(11) =83601a(12) =234256a(13) =656394a(14) =1839243a(15) =5153632a(16) =14440679a(17) =40463352a(18) =113379904a(19) =317694950a(20) =890193745a(21) =2494357888a(22) =6989288906a(23) =19584262410a(24) =54875873536a(25) =153764355951a(26) =430853773030