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A238891
Largest squarefree number in row n of Pascal's triangle.
2
1, 1, 2, 3, 6, 10, 15, 35, 70, 1, 210, 462, 66, 715, 3003, 5005, 1, 24310, 1, 92378, 125970, 293930, 646646, 1352078, 10626, 53130, 5311735, 1, 13123110, 34597290, 435, 44352165, 1, 33, 2203961430, 6545, 1, 66045, 33578000610, 62359143990, 91390, 350343565
OFFSET
0,3
MATHEMATICA
Table[Select[Binomial[n, Range[0, n/2]], SquareFreeQ[#] &][[-1]], {n, 0, 100}]
CROSSREFS
Cf. A238337 (number of distinct squarefree numbers in row n).
Cf. A238892 (index of these numbers in the row).
Sequence in context: A246868 A370819 A055789 * A048681 A375972 A051891
KEYWORD
nonn
AUTHOR
T. D. Noe, Mar 06 2014
STATUS
approved