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Greatest prime factors in Pascal's triangle (read by rows).

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1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 2, 3, 2, 1, 1, 5, 5, 5, 5, 1, 1, 3, 5, 5, 5, 3, 1, 1, 7, 7, 7, 7, 7, 7, 1, 1, 2, 7, 7, 7, 7, 7, 2, 1, 1, 3, 3, 7, 7, 7, 7, 3, 3, 1, 1, 5, 5, 5, 7, 7, 7, 5, 5, 5, 1, 1, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 3, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 1, 1, 13, 13 (list; table; graph; listen)

	OFFSET	`1,5`
	COMMENT	`T(n,k) = A006530(A007318(n,k)), 0<=k<=n; for primes p and k<p: T(p,k)=p (k>0), T(p+1,k)=p (k>1) and T(n,k)<p for n<p.`
	LINKS	`Eric Weisstein's World of Mathematics, Pascal's Triangle` `Eric Weisstein's World of Mathematics, Greatest Prime Factor` `Index entries for triangles and arrays related to Pascal's triangle`
	CROSSREFS	`Sequence in context: A117185 A129181 A093557 this_sequence A048804 A132422 A065133` `Adjacent sequences: A098799 A098800 A098801 this_sequence A098803 A098804 A098805`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Nov 01 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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