%I #6 Jul 22 2022 11:29:19
%S 0,1,1,2,9,793,499208698,124407462491481058208408441,
%T 1925481259009966865844002992692350885969632796673886663638811207308483184039785
%N a(n) = a(n-1)^3 + a(n-2)^6, a(0) = 0, a(1) = 1.
%F a(n) ~ c^(3^n), where c = 1.0278548747403916038597317519446646178420852580529382519451043895427806227... . - _Vaclav Kotesovec_, Dec 18 2014
%t RecurrenceTable[{a[0]==0, a[1]==1, a[n] == a[n-1]^3 + a[n-2]^6}, a, {n, 0, 10}]
%t nxt[{a_,b_}]:={b,b^3+a^6}; NestList[nxt,{0,1},10][[All,1]] (* _Harvey P. Dale_, Jul 22 2022 *)
%Y Cf. A000278, A076725, A252584.
%K nonn
%O 0,4
%A _Vaclav Kotesovec_, Dec 18 2014