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A023553 Convolution of natural numbers >= 3 and Lucas numbers. 1
3, 13, 29, 58, 106, 186, 317, 531, 879, 1444, 2360, 3844, 6247, 10137, 16433, 26622, 43110, 69790, 112961, 182815, 295843, 478728, 774644, 1253448, 2028171, 3281701, 5309957, 8591746 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..28.

FORMULA

G.f.: [x(3+4x-4x^2)]/[(1-x-x^2)(1-x)^2]. - Ralf Stephan, Apr 28 2004

CROSSREFS

Sequence in context: A031378 A144391 A024836 * A183436 A154300 A051805

Adjacent sequences:  A023550 A023551 A023552 * A023554 A023555 A023556

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 18 19:42 EDT 2013. Contains 226356 sequences.