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A046269 Largest prime substring in 3^n (0 if none). 2
0, 3, 0, 7, 0, 43, 29, 7, 61, 683, 9049, 71, 53, 59, 7829, 4348907, 3046721, 40163, 89, 62261467, 84401, 353203, 1381, 941, 2429536481, 288609443, 8329, 6255974849, 876792454961, 77364883, 113209, 3962839, 853020188851, 555523 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..33.

CROSSREFS

Cf. A046261.

Sequence in context: A324875 A266437 A077896 * A153346 A011080 A021769

Adjacent sequences:  A046266 A046267 A046268 * A046270 A046271 A046272

KEYWORD

nonn

AUTHOR

Patrick De Geest, Jun 15 1998

STATUS

approved

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Last modified January 25 19:09 EST 2020. Contains 331249 sequences. (Running on oeis4.)