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A020514
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1^n+2^n+4^n+8^n+16^n.
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1
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5, 31, 341, 4681, 69905, 1082401, 17043521, 270549121, 4311810305, 68853957121, 1100586419201, 17600780175361, 281543712968705, 4504149450301441, 72061992352890881, 1152956690052710401
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| 5th cyclotomic polynomial evaluated at 2^n
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LINKS
| T. D. Noe, Table of n, a(n) for n=0..200
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MAPLE
| with(numtheory, cyclotomic):seq(cyclotomic(5, 2^i), i=0..24);
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PROG
| (Other) sage: [sigma(16, n)for n in xrange(0, 16)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 04 2009]
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CROSSREFS
| Sequence in context: A176302 A129586 A135744 * A201307 A059301 A088548
Adjacent sequences: A020511 A020512 A020513 * A020515 A020516 A020517
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KEYWORD
| nonn
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AUTHOR
| Simon Plouffe, N. J. A. Sloane (njas(AT)research.att.com).
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