login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A028783
Nonsquares mod 70.
0
2, 3, 5, 6, 7, 8, 10, 12, 13, 17, 18, 19, 20, 22, 23, 24, 26, 27, 28, 31, 32, 33, 34, 37, 38, 40, 41, 42, 43, 45, 47, 48, 52, 53, 54, 55, 57, 58, 59, 61, 62, 63, 66, 67, 68, 69
OFFSET
1,1
PROG
(PARI) for(k=0, 70, if(!issquare(Mod(k, 70)), print1(k, ", "))) \\ Hugo Pfoertner, Dec 02 2019
CROSSREFS
Sequence in context: A076437 A028790 A028748 * A274779 A120486 A229993
KEYWORD
nonn,fini,full
AUTHOR
EXTENSIONS
Incorrect term 35 removed by Alonso del Arte, Dec 01 2019
STATUS
approved