A341597 a(n) = A144066(n+3,3).
1, 60, 490, 2220, 7315, 19656, 45780, 95880, 184965, 334180, 572286, 937300, 1478295, 2257360, 3351720, 4856016, 6884745, 9574860, 13088530, 17616060, 23378971, 30633240, 39672700, 50832600, 64493325, 81084276, 101087910
Offset: 0
Links
- Index entries for linear recurrences with constant coefficients, signature (7,-21,35,-35,21,-7,1).
Crossrefs
Cf. A144066.
Formula
O.g.f.: (15*x^3 + 91*x^2 + 53*x + 1)/(1 - x)^7.