A262438 Number of digits of hexadecimal representation of n.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2

Offset: 0

Author

Reinhard Zumkeller, Sep 22 2015

Keywords

• nonn
• base

Comments

Length of n-th row in A262437.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A262437, A055642, A070939, A081604.

Programs

Haskell

a262438 = length . a262437_row

Maple

A262438 := proc(n)
    if n =0 then
        1;
    else
        1+floor(log[16](n)) ;
    end if;
end proc: # R. J. Mathar, Dec 14 2015

PARI

a(n) = if (n, #digits(n, 16), 1); \\ Michel Marcus, Dec 14 2015