



1, 13, 81, 345, 1155, 3267, 8151, 18447, 38610, 75790, 140998, 250614, 428298, 707370, 1133730, 1769394, 2696727, 4023459, 5888575, 8469175, 11988405, 16724565, 23021505, 31300425
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,2


REFERENCES

A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194196.
Murray R.Spiegel, Calculus of Finite Differences and Difference Equations, "Schaum's Outline Series", McGrawHill, 1971, pp. 1020, 7994.


LINKS



FORMULA

a(n) = (5n+8)*C(n+7, 7)/8.
G.f.: (1+4*x)/(1x)^9.


CROSSREFS

Cf. A093562 ((5, 1) Pascal, column m=8).


KEYWORD

easy,nonn


AUTHOR



STATUS

approved



