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”).

A089784
A nonsense sequence.
3
81, 83, 87, 89, 71, 73, 77, 79, 51, 53, 57, 59, 31, 33, 37, 39, 11, 13, 17, 19, 31, 33, 37, 39, 71, 73, 77, 79, 91, 93, 97, 99, 31, 33, 37, 39, 91, 93, 97, 99, 11, 13, 17, 19, 71, 73, 77, 79, 11, 13, 17, 19, 31, 33, 37, 39, 71, 73, 77, 79, 31, 33, 37, 39, 91, 93, 97, 99, 11
OFFSET
1,1
MATHEMATICA
a={1, 3, 7, 9};
Flatten[Table[Mod[Abs[10-Prime[n]], 10]*10+a, {n, 50}]]
CROSSREFS
Cf. A089787 (essentially the same).
Sequence in context: A055390 A186472 A183984 * A186464 A345477 A295700
KEYWORD
nonn,base,less,uned
AUTHOR
Roger L. Bagula, Jan 09 2004
STATUS
approved