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A036961 Primes with digits (0,...,6) taken as base 7 and converted to base 10. 0
2, 3, 5, 8, 10, 17, 22, 29, 31, 38, 43, 50, 52, 59, 71, 85, 94, 106, 115, 122, 127, 134, 143, 155, 157, 169, 185, 197, 211, 218, 220, 227, 239, 241, 248, 260, 262, 274, 290, 295, 304, 316, 323, 325, 332, 337, 353, 358, 365, 367, 379, 386, 388, 395, 409, 428 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(n)=323 -> is 641{7} -> 641{10} is prime.
CROSSREFS
Sequence in context: A158724 A289276 A181100 * A122633 A004694 A309527
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jan 04 1999
STATUS
approved

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Last modified March 19 02:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)