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Search: id:A024012
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| 1, 1, 0, -1, 0, 7, 28, 79, 192, 431, 924, 1927, 3952, 8023, 16188, 32543, 65280, 130783, 261820, 523927, 1048176, 2096711, 4193820, 8388079, 16776640, 33553807, 67108188, 134216999, 268434672, 536870071, 1073740924, 2147482687, 4294966272, 8589933503, 17179868028, 34359737143
(list; graph; listen)
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OFFSET
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0,6
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MAPLE
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seq(seq(k^n-n^k, k=2..2), n=0..35); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 01 2007
seq(2^n-n^2, n=0..35); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 01 2007
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MATHEMATICA
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lst={}; Do[AppendTo[lst, (2^n-n^2)], {n, 0, 5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 15 2009]
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CROSSREFS
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Cf. A072180, 2^n-n^2 is prime; A075896, primes of the form 2^n-n^2; A099481, 2^n-n^2 is a semiprime; A099482, semiprimes of the form 2^n-n^2.
Sequence in context: A064951 A073995 A061968 this_sequence A163705 A073363 A166322
Adjacent sequences: A024009 A024010 A024011 this_sequence A024013 A024014 A024015
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KEYWORD
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sign
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from Hugo Pfoertner (hugo(AT)pfoertner.org), Oct 18 2004
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