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A113410
Numbers n such that n^2 is of the form k-th prime - k for some k.
1
1, 5, 21, 23, 27, 31, 33, 37, 45, 53, 67, 70, 96, 101, 102, 128, 135, 144, 167, 178, 186, 188, 196, 197, 199, 202, 216, 219, 246, 247, 252, 255, 264, 299, 300, 341, 356, 363, 369, 381, 382, 407, 410, 426, 427, 494, 503, 506, 520, 528, 538, 550, 562, 573, 607
OFFSET
1,2
COMMENTS
Values of k: A064370. Numbers n such that n^2 is of the form k-th prime + k for some k A086968.
MATHEMATICA
Sqrt[#]&/@Select[Table[Prime[k]-k, {k, 2, 40000}], IntegerQ[Sqrt[#]]&] (* Harvey P. Dale, Aug 04 2019 *)
CROSSREFS
Sequence in context: A043053 A004163 A350328 * A099654 A195959 A228141
KEYWORD
nonn
AUTHOR
Zak Seidov, Oct 28 2005
STATUS
approved