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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
OFFSET
0,2
CROSSREFS
Cf. A046261.
Sequence in context: A077896 A359061 A238942 * A153346 A011080 A021769
KEYWORD
nonn
AUTHOR
Patrick De Geest, Jun 15 1998
STATUS
approved