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A047674
Row 5 of square array defined in A047671.
1
1, 16, 91, 346, 1021, 2524, 5479, 10774, 19609, 33544, 54547, 85042, 127957, 186772, 265567, 369070, 502705, 672640, 885835, 1150090, 1474093, 1867468, 2340823, 2905798, 3575113, 4362616, 5283331, 6353506, 7590661, 9013636
OFFSET
1,2
FORMULA
(1/5) * (2n^5 - 5n^4 + 20n^3 - 25n^2 + 23n - 10).
CROSSREFS
Sequence in context: A195591 A240292 A050406 * A153029 A170920 A027938
KEYWORD
nonn
STATUS
approved