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65.......but there is a slight problem.

The sequence appears to be a(n) = n3 + 1 apart from the first term which should be 2 as 13 + 1 = 2

1

23 + 1 = 9

33 + 1 = 28

43 + 1 = 65.....the missing number

53 + 1 = 126

63 + 1 = 217

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12y ago

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