A093797 - OEIS

A093797

In the sequence of prime powers (A000961), replace perfect powers with their repeating factors.

1, 2, 3, 2, 2, 5, 7, 2, 2, 2, 3, 3, 11, 13, 2, 2, 2, 2, 17, 19, 23, 5, 5, 3, 3, 3, 29, 31, 2, 2, 2, 2, 2, 37, 41, 43, 47, 7, 7, 53, 59, 61, 2, 2, 2, 2, 2, 2, 67, 71, 73, 79, 3, 3, 3, 3, 83, 89, 97, 101, 103, 107, 109, 113, 11, 11, 5, 5, 5, 127, 2, 2, 2, 2, 2, 2, 2, 131, 137, 139, 149

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..81.

EXAMPLE

[1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, ...],

[1, 2, 3, (2, 2), 5, 7, (2, 2, 2), (3, 3), 11, 13, (2, 2, 2, 2), 17, 19, ...],

[1; 2; 3; 2, 2; 5; 7; 2, 2, 2; 3, 3; 11; 13; 2, 2, 2, 2; 17, 19; 23; 5, 5; 3, ...].

CROSSREFS

Cf. A027746.

Sequence in context: A283239 A318177 A128651 * A214320 A119809 A007653

Adjacent sequences: A093794 A093795 A093796 * A093798 A093799 A093800

KEYWORD

nonn,tabf

AUTHOR

Reinhard Zumkeller, May 18 2004

STATUS

approved