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A101771
Smallest k such that k^2 is equal to the sum of n distinct primes plus 1.
5
1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 30, 31, 32, 33, 36, 37, 38, 39, 42, 43, 44, 45, 48, 49, 50, 51, 54, 55, 56, 59, 60, 61, 62, 65, 66, 67, 70, 71, 72, 75, 76, 77, 80, 81, 82, 83, 86, 87, 88, 91, 92, 93, 96, 97, 98, 101, 102, 103, 106
OFFSET
0,2
FORMULA
a(n) = Sqrt(A100498(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Ray Chandler, Jan 10 2005
STATUS
approved