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A327463 a(1) = 1; thereafter, a(n) is the reversal of the next prime after a(n - 1) in base 6 if n is prime, and the reversal of the next composite after a(n - 1) in base 6 if n is composite. 3
1, 2, 3, 4, 5, 1, 2, 4, 1, 4, 5, 1, 2, 4, 1, 4, 5, 1, 2, 4, 1, 4, 5, 1, 4, 1, 4, 1, 2, 4, 5, 1, 4, 1, 4, 1, 2, 4, 1, 4, 5, 1, 2, 4, 1, 4, 5, 1, 4, 1, 4, 1, 2, 4, 1, 4, 1, 4, 5, 1, 2, 4, 1, 4, 1, 4, 5, 1, 4, 1, 2, 4, 5, 1, 4, 1, 4, 1, 2, 4, 1, 4, 5, 1, 4, 1, 4, 1, 2, 4, 1, 4, 1, 4, 1, 4, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The sequence is written in base 10.

Conjecture: a(n) <= 5.

LINKS

Table of n, a(n) for n=1..97.

CROSSREFS

For bases 3,5,6,7,10 see A326894, A327464, A327463 = the present sequence, A327241, A326344.

Sequence in context: A053827 A033926 A193042 * A279478 A050269 A097151

Adjacent sequences:  A327460 A327461 A327462 * A327464 A327465 A327466

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Sep 27 2019

STATUS

approved

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Last modified April 10 08:09 EDT 2021. Contains 342845 sequences. (Running on oeis4.)