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A029587
a(n) = A029571(n) / 6.
0
0, 0, 0, 0, 1, 5, 30, 210, 1470, 13230, 132300, 1455300, 17671500, 229729500, 3216213000, 48243195000, 771323553000, 13112500401000, 236025007218000, 4484475137142000, 89692802577378000, 1883548854124938000, 41438074790748636000, 953075720187218628000
OFFSET
0,6
CROSSREFS
Cf. A029571.
Sequence in context: A144180 A222050 A091122 * A365178 A001720 A361545
KEYWORD
nonn
AUTHOR
STATUS
approved