login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A088521 a(1) = 1; for n > 1, a(n) = (a(n-1) + n) mod prime(n). 3
1, 0, 3, 0, 5, 11, 1, 9, 18, 28, 8, 20, 33, 4, 19, 35, 52, 9, 28, 48, 69, 12, 35, 59, 84, 9, 36, 64, 93, 10, 41, 73, 106, 1, 36, 72, 109, 147, 19, 59, 100, 142, 185, 36, 81, 127, 174, 222, 44, 94, 145, 197, 9, 63, 118, 174, 231, 18, 77, 137, 198, 260, 16, 80, 145, 211, 278, 9 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

a[1] = 1; a[n_] := a[n] = Mod[a[n - 1] + n, Prime[n]]; Table[ a[n], {n, 69}]

RecurrenceTable[{a[1]==1, a[n]==Mod[a[n-1]+n, Prime[n]]}, a, {n, 70}] (* Harvey P. Dale, Nov 10 2014 *)

CROSSREFS

Cf. A088522, A088523, A006257.

Sequence in context: A076296 A260934 A143280 * A022837 A225950 A088969

Adjacent sequences:  A088518 A088519 A088520 * A088522 A088523 A088524

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 14 2003

EXTENSIONS

More terms from Robert G. Wilson v and Ray Chandler, Nov 15 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 3 21:14 EST 2016. Contains 278745 sequences.