login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A085974 Number of 0's in the decimal expansion of prime(n). 11
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,169
LINKS
EXAMPLE
prime(26) = 101, so a(26) = 1 and prime(1230) = 10007, so a(1230) = 3.
MATHEMATICA
DigitCount[Prime[Range[100]], 10, 0] (* Paolo Xausa, Oct 30 2023 *)
PROG
(Haskell)
a085974 = count0 0 . a000040 where
count0 c x | d == 0 = if x < 10 then c + 1 else count0 (c + 1) x'
| otherwise = if x < 10 then c else count0 c x'
where (x', d) = divMod x 10
-- Reinhard Zumkeller, Apr 08 2014
CROSSREFS
Cf. 1's A085975, 2's A085976, 3's A085977, 4's A085978, 5's A085979, 6's A085980, 7's A085981, 8's A085982, 9's A085983.
Cf. A055641.
Sequence in context: A277165 A011740 A354344 * A011739 A023975 A305821
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 06 2003
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 24 23:57 EDT 2024. Contains 374585 sequences. (Running on oeis4.)