A054137 T(n,3), array T as in A054134.

2, 8, 31, 97, 264, 654, 1518, 3366, 7227, 15169, 31339, 64043, 129906, 262192, 527444, 1058764, 2122373, 4250731, 8508777, 17026409, 34063444, 68139538, 136294026, 272605602, 545231679, 1090487109, 2181001623

Offset: 3

Author

Clark Kimberling

Keywords

• nonn

Links

• Index entries for linear recurrences with constant coefficients, signature (7, -20, 30, -25, 11, -2).