A024709 Least prime divisor of A024702(n).

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

Cf. A020639, A024702.

Sequence in context: A024715 A296479 A354088 * A101245 A004576 A093200

Adjacent sequences: A024706 A024707 A024708 * A024710 A024711 A024712

Keyword

nonn

Author

Clark Kimberling

Status

approved