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A350602
G.f. = ((2+3*x)/(1-x^2-x^3))^2.
0
4, 12, 17, 32, 54, 78, 127, 186, 275, 408, 585, 848, 1212, 1722, 2444, 3442, 4839, 6778, 9462, 13182, 18313, 25390, 35133, 48522, 66907, 92112, 126632, 173860, 238404, 326536, 446765, 610644, 833846, 1137614, 1550739, 2112210, 2874807, 3909948, 5314221, 7218208, 9798372, 13293086, 18024236
OFFSET
0,1
REFERENCES
A. G. Shannon, P. G. Anderson and A. F. Horadam, Properties of Cordonnier, Perrin and Van der Laan numbers, International Journal of Mathematical Education in Science and Technology, Volume 37:7 (2006), 825-831. See Equation (3.12).
CROSSREFS
Sequence in context: A300747 A303795 A175704 * A362873 A111371 A078514
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 11 2022
STATUS
approved