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11, 23, 37, 41, 43, 59, 61, 79, 83, 97, 103, 107, 113, 121, 139, 143, 147, 149, 163, 167, 169, 171, 173, 177, 181, 183, 191, 193, 199, 201, 203, 227, 237, 243, 249, 251, 263, 271, 283, 287, 289, 293, 303, 313, 317, 321, 323, 347, 351, 353, 355, 359, 363, 367, 373, 379
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internal format)
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OFFSET
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1,1
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COMMENTS
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Conjecture: For every k in the sequence, the number k^2 is in the sequence as well.
Composite numbers in the sequence which are not perfect squares are 143, 147, 171, 183 etc. [R. J. Mathar, May 16 2009]
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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