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A334197
Positions of records in A334090; After 1, positions of record jumps upward in A064097.
2
1, 2, 33, 129, 1081, 2049, 9233, 33793, 458753, 2015233, 3932161, 33554945, 188743681
OFFSET
1,2
COMMENTS
Terms a(3) .. a(11) are squarefree semiprimes, but 33554945 = 5 * 47 * 142787.
Records themselves are: 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13.
PROG
(PARI)
A064097(n) = if(1==n, 0, 1+A064097(n-(n/vecmin(factor(n)[, 1]))));
m=0; prev=-1; for(n=1, 2^26, t=A064097(n); if((t-prev)>m, m=t-prev; print1(n, ", ")); prev=t);
CROSSREFS
Sequence in context: A041127 A282726 A097978 * A156369 A263054 A128152
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Apr 18 2020
EXTENSIONS
a(13) from Jinyuan Wang, May 01 2020
STATUS
approved