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A000813 Expansion of (sin x + cos x)/cos 4x. 2
1, 1, 15, 47, 1185, 6241, 230895, 1704527, 83860545, 796079041, 48942778575, 567864586607, 41893214676705, 574448847467041, 49441928730798255, 782259922208550287, 76946148390480577665, 1379749466246228538241 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..200

CROSSREFS

a(2n) = A001728(n). Cf. A006873.

Sequence in context: A143031 A166118 A063396 * A156205 A065906 A154060

Adjacent sequences:  A000810 A000811 A000812 * A000814 A000815 A000816

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 04:59 EST 2012. Contains 205694 sequences.