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Search: id:A062510
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| 0, 3, 3, 9, 15, 33, 63, 129, 255, 513, 1023, 2049, 4095, 8193, 16383, 32769, 65535, 131073, 262143, 524289, 1048575, 2097153, 4194303, 8388609, 16777215, 33554433, 67108863, 134217729, 268435455, 536870913, 1073741823, 2147483649
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OFFSET
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0,2
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REFERENCES
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D. M. Burton, Elementary Number Theory, Allyn and Bacon, Inc. Boston, MA, 1976, p. 29.
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LINKS
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G. Everest, Y. Puri and T. Ward, Integer sequences counting periodic points
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FORMULA
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Equals 3*(A001045,Jacobsthal numbers). - Paul Curtz (bpcrtz(AT)free.fr), Jan 17 2008
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PROGRAM
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(PARI) for(n=0, 22, print(2^n+(-1)^(n+1)))
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CROSSREFS
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Sequence in context: A122847 A105423 A147471 this_sequence A000200 A100744 A089892
Adjacent sequences: A062507 A062508 A062509 this_sequence A062511 A062512 A062513
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jun 24 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Jul 06 2001
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