SILVER/Cut the Silver Bar

[equation_sof]

Removed......

[leppyr64]

Have you checked your answers for the first 20 by hand? I suggest drawing them out on paper (or using lego - my personal favourite)

[equation_sof]

output for first twenty is...

1     0
2     1
3     1
4     2
5     2
6     2
7     2
8     3
9     3
10    3
11    3
12    3
13    4
14    4
15    4
16    4
17    4
18    4
19    5
20    5

is anywhere wrong??????
and what is lego??????

[leppyr64]

Yes you are wrong in that range. Have you hand checked your answers?

LEGO:
en.m.wikipedia.org/wiki/Lego#section_1