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 A182305 a(n+1) = a(n) + floor(a(n)/4) with a(0)=4. 6
 4, 5, 6, 7, 8, 10, 12, 15, 18, 22, 27, 33, 41, 51, 63, 78, 97, 121, 151, 188, 235, 293, 366, 457, 571, 713, 891, 1113, 1391, 1738, 2172, 2715, 3393, 4241, 5301, 6626, 8282, 10352, 12940, 16175, 20218, 25272, 31590, 39487 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Table of n, a(n) for n=0..43. EXAMPLE a(8) = a(7)+floor(a(7)/4) = 15 + 3 = 18. MATHEMATICA NestList[#+Floor[#/4]&, 4, 50] (* Harvey P. Dale, Oct 06 2020 *) PROG (Python) a=4 for i in range(55): print(a, end=', ') a += a//4 (Python) from itertools import islice def A182305_gen(): # generator of terms a = 4 while True: yield a a += a>>2 A182305_list = list(islice(A182305_gen(), 30)) # Chai Wah Wu, Sep 21 2022 CROSSREFS Cf. A061418, A100585. Sequence in context: A343916 A367187 A121541 * A023373 A078778 A037356 Adjacent sequences: A182302 A182303 A182304 * A182306 A182307 A182308 KEYWORD nonn AUTHOR Alex Ratushnyak, Apr 23 2012 STATUS approved

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Last modified July 25 07:50 EDT 2024. Contains 374586 sequences. (Running on oeis4.)