The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A043395 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A043395

Numbers whose base-7 representation contains exactly three 0's.
(history; published version)

#15 by Andrew Howroyd at Sun Apr 23 21:58:52 EDT 2023

STATUS

proposed

approved

#14 by Jon E. Schoenfield at Sun Apr 23 21:41:10 EDT 2023

STATUS

editing

proposed

#13 by Jon E. Schoenfield at Sun Apr 23 21:41:08 EDT 2023

NAME

Numbers having whose base-7 representation contains exactly three 0's in base 7.

STATUS

approved

editing

#12 by Wesley Ivan Hurt at Sat Apr 24 20:53:33 EDT 2021

STATUS

proposed

approved

#11 by Michel Marcus at Sat Apr 24 15:06:09 EDT 2021

STATUS

editing

proposed

Discussion

Sat Apr 24

15:16

Jon E. Schoenfield: Okay, will do!

#10 by Michel Marcus at Sat Apr 24 15:05:45 EDT 2021

CROSSREFS

Cf. A007093.

STATUS

proposed

editing

Discussion

Sat Apr 24

15:06

Michel Marcus: can you add the reevant base X sequence when missing

#9 by Jon E. Schoenfield at Sat Apr 24 15:01:51 EDT 2021

STATUS

editing

proposed

#8 by Jon E. Schoenfield at Sat Apr 24 15:01:49 EDT 2021

NAME

Numbers n such that number of having three 0's in base 7 is 3.

STATUS

approved

editing

#7 by Harvey P. Dale at Sat Jul 29 18:51:19 EDT 2017

STATUS

editing

approved

#6 by Harvey P. Dale at Sat Jul 29 18:51:16 EDT 2017

MATHEMATICA

Select[Range[5000], DigitCount[#, 7, 0]==3&] (* Harvey P. Dale, Jul 29 2017 *)

STATUS

approved

editing