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Search: id:A096818
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| A096818 |
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Exponents n such that 2^n-13 is prime. |
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5
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| 4, 5, 9, 13, 17, 57, 105, 137, 3217, 3229, 4233, 6097, 8757, 11457, 12073
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OFFSET
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1,1
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COMMENT
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Exponents for primes of 2^n-d form if d=1,3,5,7,11,13,15,17,19,21 found at: A000043 (1); A050414 (3); A059608 (5); A059609 (7); A059610 (9); A096817 (11); A096818 (13); A059612 (15); A059611 (17); A096819 (19); A096820 (21)
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EXAMPLE
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n=5: 32-13=23 is prime.
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CROSSREFS
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Cf. A000043(1); A050414(3); A059608(5); A059609(7); A059610(9); A096817(11); A096818(13); A059612(15); A059611(17); A096819(19); A096820(21); A096502[min].
Adjacent sequences: A096815 A096816 A096817 this_sequence A096819 A096820 A096821
Sequence in context: A006844 A022425 A116045 this_sequence A038099 A120740 A000285
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jul 13 2004
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