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A054137
T(n,3), array T as in A054134.
0
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
3,1
CROSSREFS
Sequence in context: A367037 A007468 A280156 * A343414 A062456 A289610
KEYWORD
nonn
STATUS
approved