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A026382
a(n) = T(n,n-3), where T is the array in A026374.
2
1, 6, 17, 45, 75, 144, 202, 330, 425, 630, 771, 1071, 1267, 1680, 1940, 2484, 2817, 3510, 3925, 4785, 5291, 6336, 6942, 8190, 8905, 10374, 11207, 12915, 13875, 15840, 16936, 19176, 20417, 22950, 24345, 27189, 28747, 31920
OFFSET
3,2
LINKS
FORMULA
G.f.: z^3*(1+5z+8z^2+13z^3)/[(1-z)^4*(1+z)^3]. - Emeric Deutsch, Jan 25 2004
PROG
(Haskell)
a026382 = flip a026374 3 -- Reinhard Zumkeller, Feb 22 2014
CROSSREFS
Cf. A026374.
Sequence in context: A066183 A262297 A048746 * A054492 A128525 A083334
KEYWORD
nonn
STATUS
approved