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A137584 a(n)=3a(n-1)-2a(n-2)+a(n-3), n > 3. 1
0, 3, 6, 13, 70, 163, 379, 881, 2048, 4761, 11068, 25730, 59815, 139053, 323259, 751486, 1746993, 4061266, 9441298, 21948355, 51023735, 118615793, 275748264, 641036941, 1490230088, 3464364646, 8053670703, 18722512905, 43524561955, 101182330758, 235220381269 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..30.

Index entries for linear recurrences with constant coefficients, signature (3, -2, 1).

MATHEMATICA

LinearRecurrence[{3, -2, 1}, {0, 3, 6, 13}, 50] (* Harvey P. Dale, Jan 28 2013 *)

CROSSREFS

Sequence in context: A036781 A084816 A055738 * A053365 A101034 A084168

Adjacent sequences:  A137581 A137582 A137583 * A137585 A137586 A137587

KEYWORD

nonn

AUTHOR

Paul Curtz, Apr 26 2008

EXTENSIONS

More terms from Harvey P. Dale, Jan 28 2013

STATUS

approved

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Last modified September 25 19:48 EDT 2017. Contains 292500 sequences.