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%I #16 Sep 21 2022 12:26:33
%S 4,5,6,7,8,10,12,15,18,22,27,33,41,51,63,78,97,121,151,188,235,293,
%T 366,457,571,713,891,1113,1391,1738,2172,2715,3393,4241,5301,6626,
%U 8282,10352,12940,16175,20218,25272,31590,39487
%N a(n+1) = a(n) + floor(a(n)/4) with a(0)=4.
%e a(8) = a(7)+floor(a(7)/4) = 15 + 3 = 18.
%t NestList[#+Floor[#/4]&,4,50] (* _Harvey P. Dale_, Oct 06 2020 *)
%o (Python)
%o a=4
%o for i in range(55):
%o print(a, end=',')
%o a += a//4
%o (Python)
%o from itertools import islice
%o def A182305_gen(): # generator of terms
%o a = 4
%o while True:
%o yield a
%o a += a>>2
%o A182305_list = list(islice(A182305_gen(),30)) # _Chai Wah Wu_, Sep 21 2022
%Y Cf. A061418, A100585.
%K nonn
%O 0,1
%A _Alex Ratushnyak_, Apr 23 2012
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