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A291627
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Numbers k such that 2 is the smallest decimal digit of k^2.
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6
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5, 15, 16, 17, 18, 23, 25, 27, 57, 65, 68, 73, 75, 77, 82, 85, 156, 157, 158, 162, 163, 164, 165, 166, 167, 168, 172, 173, 185, 193, 206, 207, 208, 215, 218, 222, 223, 232, 233, 235, 273, 275, 277, 278, 282, 287, 288, 292, 307, 315, 472, 473, 474, 475, 476
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OFFSET
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1,1
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LINKS
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EXAMPLE
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278 is in the sequence because 278^2 = 77284, the smallest decimal digit of which is 2.
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PROG
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(PARI) select(k->vecmin(digits(k^2))==2, vector(1000, k, k))
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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