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A379540
Row sums of A376832.
1
0, 0, 3, 16, 60, 168, 385, 768, 1386, 2320, 3663, 5520, 8008, 11256, 15405, 20608, 27030, 34848, 44251, 55440, 68628, 84040, 101913, 122496, 146050, 172848, 203175, 237328, 275616, 318360, 365893, 418560, 476718, 540736, 610995, 687888, 771820, 863208, 962481, 1070080, 1186458
OFFSET
0,3
FORMULA
a(n) = (n^4 - 3*n^3 + 3*n^2 + 3*n - 4)/2 for n > 0 with a(0) = 0.
a(n) = 5*a(n-1) - 10*a(n-2) + 10*a(n-3) - 5*a(n-4) + a(n-5) for n > 5.
G.f.: x^2*(3 + x + 10*x^2 - 2*x^3)/(1 - x)^5.
E.g.f.: 2 + exp(x)*(x^4 + 3*x^3 + x^2 + 4*x - 4)/2.
MATHEMATICA
LinearRecurrence[{5, -10, 10, -5, 1}, {0, 0, 3, 16, 60, 168}, 41]
CROSSREFS
Cf. A376832.
Sequence in context: A099851 A005550 A210323 * A062474 A073999 A259056
KEYWORD
nonn,easy
AUTHOR
Stefano Spezia, Dec 24 2024
STATUS
approved