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A167574
The fourth row of the ED3 array A167572.
3
167, 741, 2043, 4409, 8175, 13677, 21251, 31233, 43959, 59765, 78987, 101961, 129023, 160509, 196755, 238097, 284871, 337413, 396059, 461145, 533007, 611981, 698403, 792609, 894935, 1005717, 1125291, 1253993, 1392159, 1540125
OFFSET
1,1
FORMULA
a(n) = 56*n^3 + 28*n^2 + 98*n - 15.
G.f.: (15*z^3 + 81*z^2 + 73*z + 167)/(1-z)^4.
a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4). - G. C. Greubel, Jun 16 2016
MATHEMATICA
LinearRecurrence[{4, -6, 4, -1}, {167, 741, 2043, 4409}, 100] (* G. C. Greubel, Jun 16 2016 *)
CROSSREFS
Equals the fourth row of the ED3 array A167572.
Sequence in context: A362542 A158218 A142287 * A377180 A250586 A201853
KEYWORD
easy,nonn
AUTHOR
Johannes W. Meijer, Nov 10 2009
STATUS
approved