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Search: id:A069356
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| A069356 |
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Primes of the form 2^i*3^j - (i+j) with i, j >= 0. |
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+0
5
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| 2, 5, 7, 43, 67, 103, 157, 281, 503, 641, 1451, 3061, 4597, 6553, 8179, 10357, 15541, 34981, 78721, 209939, 524269, 1062869, 2097131, 13436909, 25509151, 28311529, 63700969, 113246183, 153054989, 516560633, 573308903, 774840959, 805306339
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OFFSET
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1,1
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MATHEMATICA
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Take[ Select[ Union[ Flatten[ Table[2^i*3^j - (i + j), {i, 0, 28}, {j, 0, 18}]]], PrimeQ[ # ] &], 33]
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CROSSREFS
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Cf. A069355, A005105, A069358, A069346.
Sequence in context: A123232 A042559 A062645 this_sequence A041653 A041125 A042257
Adjacent sequences: A069353 A069354 A069355 this_sequence A069357 A069358 A069359
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 18 2002
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EXTENSIONS
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Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), May 09 2003
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