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!)
A274407 Numbers n with the property that when divided by their last digit the remainder of the division is their penultimate digit. 1
13, 19, 23, 26, 29, 39, 46, 49, 59, 69, 79, 89, 101, 102, 104, 105, 148, 167, 201, 202, 204, 205, 208, 257, 301, 302, 303, 304, 305, 306, 313, 323, 326, 346, 347, 348, 401, 402, 404, 405, 408, 437, 501, 502, 504, 505, 527, 548, 601, 602, 603, 604, 605, 606, 608, 613, 617, 623, 626, 646, 701, 702 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = a(n-1134) + 12600. - Charles R Greathouse IV, Jun 20 2016
a(n) = 100n/9 + O(1), in particular |a(n) - 100n/9| <= 192. - Charles R Greathouse IV, Jun 20 2016
EXAMPLE
13 divided by 3 is (3*4)+1 --> 1 is the remainder
19 divided by 9 is (2*9)+1 --> 1 is the remainder
23 divided by 3 is (3*7)+2 --> 2 is the remainder
PROG
(PARI) is(n)=n%10 && n%(n%10)==(n\10)%10 && n>9 \\ Charles R Greathouse IV, Jun 20 2016
CROSSREFS
Sequence in context: A335034 A188540 A088184 * A054986 A210582 A071621
KEYWORD
nonn,base,easy
AUTHOR
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 March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)