A020537 - OEIS

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A020537

4*8^n - 3*2^n.

1, 26, 244, 2024, 16336, 130976, 1048384, 8388224, 67108096, 536869376, 4294964224, 34359732224, 274877894656, 2199023230976, 17592185995264, 140737488257024, 1125899906646016, 9007199254347776, 72057594037141504 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	COMMENTS	`3rd Chebyshev polynomial (first kind) evaluated at powers of 2.`
	LINKS	`Table of n, a(n) for n=0..18.` `Index entries for sequences related to Chebyshev polynomials.`
	MAPLE	`with(orthopoly):seq(T(3, 2^i), i=0..24);`
	MATHEMATICA	`Table[ChebyshevT[3, 2^n], {n, 1, 40}] [From Vladimir Joseph Stephan Orlovsky, Nov 03 2009]`
	CROSSREFS	`Sequence in context: A196633 A196638 A163726 * A184461 A088889 A060105` `Adjacent sequences: A020534 A020535 A020536 * A020538 A020539 A020540`
	KEYWORD	`nonn`
	AUTHOR	`Simon Plouffe`
	STATUS	`approved`

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Last modified June 20 05:50 EDT 2013. Contains 226419 sequences.