The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A296420 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A296420

Period of last digit of multiples of n.
(history; published version)

#23 by Bruno Berselli at Tue Jun 18 10:53:31 EDT 2019

STATUS

reviewed

approved

#22 by Michel Marcus at Tue Jun 18 04:55:21 EDT 2019

STATUS

proposed

reviewed

#21 by Joerg Arndt at Tue Jun 18 04:45:58 EDT 2019

STATUS

editing

proposed

#20 by Joerg Arndt at Tue Jun 18 04:45:47 EDT 2019

EXTENSIONS

More terms from Michael De Vlieger, Dec 23 2017. Offset changed from 1 to 0, and first term added to be 1 by Halfdan Skjerning, Jun 18 2019

More terms from Michael De Vlieger, Dec 23 2017.

Term a(0) = 1 prepended by Halfdan Skjerning, Jun 18 2019

STATUS

proposed

editing

#19 by Halfdan Skjerning at Tue Jun 18 04:29:26 EDT 2019

STATUS

editing

proposed

#18 by Halfdan Skjerning at Tue Jun 18 04:27:39 EDT 2019

EXTENSIONS

More terms from Michael De Vlieger, Dec 23 2017. Offset changed from 1 to 0 , and 1 added as the first term added to be 1 by Halfdan Skjerning, Jun 18 2019

Discussion

Tue Jun 18

04:29

Halfdan Skjerning: The sequence can start with 0 - and have the same period of 10 but with 1 as the first term. Offset therefore changed to 0. New first term is 1.

#17 by Halfdan Skjerning at Tue Jun 18 04:22:36 EDT 2019

DATA

1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10, 5, 10, 1, 10, 5, 10, 5, 2, 5, 10

OFFSET

1,1

0,2

EXTENSIONS

More terms from Michael De Vlieger, Dec 23 2017. Offset changed from 1 to 0 and 1 added as the first term by _Halfdan Skjerning_, Jun 18 2019

STATUS

approved

editing

#16 by N. J. A. Sloane at Mon Jan 22 19:29:47 EST 2018

STATUS

proposed

approved

#15 by Jon E. Schoenfield at Sun Dec 24 01:37:59 EST 2017

STATUS

editing

proposed

#14 by Jon E. Schoenfield at Sun Dec 24 01:37:56 EST 2017

EXAMPLE

For n=6 the a(6)=5 because multiples of 6 are 6, 12, 18, 24, 30, 36, 42 and the last digits of those numbers are 6,2,8,4,0,6,2,... with a period of 5.

STATUS

reviewed

editing