OFFSET
1,1
COMMENTS
These terms correspond to the horizontal line shown above the X-axis in the logarithmic scatter plots of A340094.
The only non-multiples of 7 among the first 13832 terms are 176, 1250, 1664. Apart from such exceptions (are there more?), all other terms are of the form 2*7*p, with p running through all odd primes in A065091 \ {7}.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..13832; all terms < 2^21
FORMULA
{n such that A340094(n) = 17}.
PROG
(PARI) isA340384(n) = (17==A340094(n));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jan 07 2021
STATUS
approved