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A024709
Least prime divisor of A024702(n).
1
2, 5, 7, 2, 3, 2, 5, 2, 3, 2, 7, 2, 3, 5, 5, 11, 2, 2, 2, 7, 2, 2, 5, 2, 3, 3, 2, 2, 5, 2, 5, 5, 2, 13, 3, 2, 29, 3, 3, 2, 2, 3, 2, 5, 2, 19, 5, 2, 2, 2, 3, 2, 2, 3, 2, 23, 2, 47, 7, 3, 2, 2, 53, 5, 2, 29, 5, 2, 2, 2, 11, 3, 2, 5, 3, 2, 2, 5, 5, 2, 2, 2, 13, 2, 2, 5, 2, 3, 2, 2, 5, 5, 2, 5, 2, 3, 3, 7, 3, 47, 2, 5, 2, 7, 2, 2
OFFSET
4,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 4..10000
FORMULA
a(n) = A020639(A024702(n)). - Michel Marcus, Sep 24 2023
PROG
(PARI) a(n)=factor(prime(n)^2\24)[1, 1] \\ Charles R Greathouse IV, May 30 2013
CROSSREFS
Sequence in context: A024715 A296479 A354088 * A101245 A004576 A093200
KEYWORD
nonn
STATUS
approved