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A249408
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Numbers in A249406 that are not of the form m*(m+1).
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2
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1, 399, 8099, 33123, 93635, 159200, 256035, 492803, 864899, 1416099, 2196323, 3261635, 4674243, 6502499, 8820899, 12531599, 16257023, 20757135, 26132543, 32489999, 39942399, 48608783, 58614335, 65593800, 73205135, 86713343, 102009999, 119246399, 138579983
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listen;
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text;
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OFFSET
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1,2
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LINKS
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FORMULA
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PROG
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(Haskell)
import Data.List ((\\))
a249408 n = a249408_list !! (n-1)
a249408_list = filter ((== 0) . a005369) a249406_list
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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