A182306 a(n+1) = a(n) + floor(a(n)/5) with a(0)=5.

5, 6, 7, 8, 9, 10, 12, 14, 16, 19, 22, 26, 31, 37, 44, 52, 62, 74, 88, 105, 126, 151, 181, 217, 260, 312, 374, 448, 537, 644, 772, 926, 1111, 1333, 1599, 1918, 2301, 2761, 3313, 3975, 4770, 5724, 6868, 8241, 9889, 11866, 14239, 17086, 20503, 24603, 29523, 35427, 42512

Offset

0,1

Links

Robert Israel, Table of n, a(n) for n = 0..10000

Maple

f:= proc(n) option remember; procname(n-1) + floor(procname(n-1)/5)
end proc:
f(0):= 5:
map(f, [$0..100]); # Robert Israel, Mar 12 2018

Mathematica

NestList[#+Floor[#/5]&, 5, 60] (* Harvey P. Dale, Aug 18 2024 *)

Prog

(Python)
a=5
for i in range(55):
    print(a, end=', ')
    a += a//5

Crossrefs

Cf. A061418, A100585, A182305.

Sequence in context: A120190 A172072 A121542 * A023379 A003667 A138469

Adjacent sequences: A182303 A182304 A182305 * A182307 A182308 A182309

Keyword

nonn

Author

Alex Ratushnyak, Apr 23 2012

Status

approved