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⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
Numbers k such that phi(k - 2) = phi(k) - 2.
#20 by Charles R Greathouse IV at Thu Sep 08 08:46:23 EDT 2022
PROG
Discussion
Thu Sep 08
08:46
OEIS Server: https://oeis.org/edit/global/2944
#19 by Harvey P. Dale at Sat Oct 24 11:27:45 EDT 2020
STATUS
#18 by Harvey P. Dale at Sat Oct 24 11:27:41 EDT 2020
MATHEMATICA
STATUS
#17 by Charles R Greathouse IV at Tue Oct 30 16:20:29 EDT 2018
STATUS
#16 by Robert Israel at Tue Oct 30 13:42:51 EDT 2018
STATUS
#15 by Robert Israel at Tue Oct 30 13:42:42 EDT 2018
CROSSREFS
#14 by Robert Israel at Tue Oct 30 13:36:58 EDT 2018
LINKS
FORMULA
CROSSREFS
STATUS
#13 by Bruno Berselli at Mon Oct 29 04:08:53 EDT 2018
STATUS
#12 by Michael B. Porter at Mon Oct 29 00:28:12 EDT 2018
STATUS
#11 by Muniru A Asiru at Sun Oct 28 07:15:37 EDT 2018
STATUS