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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.

PROG

(Python)

a=4

for i in range(55):

. print a,

. a += a/4

CROSSREFS

Cf. A061418, A100585.

Sequence in context: A194414 A182204 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 September 28 01:04 EDT 2020. Contains 337388 sequences. (Running on oeis4.)