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”).

A055951
n - reversal of base 5 digits of n (written in base 10).
1
0, 0, 0, 0, 0, 4, 0, -4, -8, -12, 8, 4, 0, -4, -8, 12, 8, 4, 0, -4, 16, 12, 8, 4, 0, 24, 0, -24, -48, -72, 24, 0, -24, -48, -72, 24, 0, -24, -48, -72, 24, 0, -24, -48, -72, 24, 0, -24, -48, -72, 48, 24, 0, -24, -48, 48, 24, 0, -24, -48, 48, 24, 0, -24, -48, 48, 24, 0, -24, -48, 48, 24, 0, -24, -48, 72, 48, 24, 0, -24, 72, 48, 24, 0
OFFSET
0,6
COMMENTS
a(n) is a multiple of 4.
FORMULA
a(n) = n - A030104(n).
MATHEMATICA
Table[n - IntegerReverse[n, 5], {n, 0, 100}] (* Paolo Xausa, Aug 08 2024 *)
CROSSREFS
Sequence in context: A160207 A190103 A176714 * A165032 A345203 A088374
KEYWORD
base,sign
AUTHOR
Henry Bottomley, Jul 18 2000
STATUS
approved