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A036525
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Smallest triangular number containing exactly n 8's.
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2
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28, 3828, 48828, 828828, 55888878, 3288888856, 78888885078, 388884828828, 13889888887878, 28888888883865, 8980885988888880, 88838888988888990, 983888888888812878, 8838888986888887878, 894885888888885888855, 78888888822845888188878, 1888886085781088888888878, 18788848888888828885888126
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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nsmall = Table[Infinity, 20];
For[i = 0, i <= 10^6, i++, p = PolygonalNumber[i];
n0 = Count[IntegerDigits[p], 8];
If[nsmall[[n0]] > p, nsmall[[n0]] = p]];
ReplaceAll[nsmall, Infinity -> "?"] (* Robert Price, Mar 22 2020 *)
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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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EXTENSIONS
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STATUS
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approved
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