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A020537 4*8^n - 3*2^n. +0
1
1, 26, 244, 2024, 16336, 130976, 1048384, 8388224, 67108096, 536869376, 4294964224, 34359732224, 274877894656, 2199023230976, 17592185995264, 140737488257024, 1125899906646016, 9007199254347776, 72057594037141504 (list; graph; listen)
OFFSET

0,2

COMMENT

3rd Chebyshev polynomial (first kind) evaluated at powers of 2.

LINKS

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 Orlovsky (4vladimir(AT)gmail.com), Nov 03 2009]

CROSSREFS

Sequence in context: A110486 A098994 A163726 this_sequence A088889 A060105 A108645

Adjacent sequences: A020534 A020535 A020536 this_sequence A020538 A020539 A020540

KEYWORD

nonn,new

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

page 1

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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