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

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Showing entries 1-10 | older changes
a(n) is the earliest number m such that n*pi(m)=phi(m).
#16 by Michael De Vlieger at Fri Oct 31 10:23:41 EDT 2025
STATUS
#15 by Jason Yuen at Fri Oct 31 05:47:36 EDT 2025
STATUS
#14 by Jason Yuen at Fri Oct 31 05:47:31 EDT 2025
EXAMPLE
STATUS
#13 by Amiram Eldar at Fri Oct 31 05:38:34 EDT 2025
STATUS
#12 by Amiram Eldar at Fri Oct 31 05:38:19 EDT 2025
EXAMPLE
STATUS
#11 by Amiram Eldar at Fri Oct 31 05:37:51 EDT 2025
STATUS
#10 by Amiram Eldar at Fri Oct 31 05:37:44 EDT 2025
PROG
STATUS
#9 by Amiram Eldar at Fri Oct 31 05:37:07 EDT 2025
STATUS
#8 by Michel Marcus at Fri Oct 31 05:03:31 EDT 2025
STATUS
#7 by Michel Marcus at Fri Oct 31 05:03:16 EDT 2025
FORMULA
PROG
CROSSREFS
KEYWORD
STATUS
Discussion
Fri Oct 31
05:03
Michel Marcus: formula was not really a formula