A028900 - OEIS

A028900

Map n = Sum c_i 10^i to a(n) = Sum c_i 5^i.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 35, 36, 37, 38, 39

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

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

MAPLE

f:= proc(n) local L, i;

L:= convert(n, base, 10);

add(L[i]*5^(i-1), i=1..nops(L))

end proc:

map(f, [$1..100]); # Robert Israel, Jan 14 2021

CROSSREFS