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 A096006 Scan Pascal's triangle (A007318) from left to right, record largest prime factor of each entry. 0
 2, 3, 3, 2, 3, 2, 5, 5, 5, 5, 3, 5, 5, 5, 3, 7, 7, 7, 7, 7, 7, 2, 7, 7, 7, 7, 7, 2, 3, 3, 7, 7, 7, 7, 3, 3, 5, 5, 5, 7, 7, 7, 5, 5, 5, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 7, 13, 13, 13, 13, 13, 13, 13 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE n Pascal's Triangle 1 1 2 1 2 1 3 1 3 3 1 4 1 4 6 4 1 so 2,3,2 = largest prime factors of row 4 = entries position 4,5,6 in the sequence. 4' 2 3 2 PROG (PARI) \Largest prime factors of numbers in Pascal's triangle. pascal(n) = { local(x, y, z, f, z1); for(x=1, n, for(y=1, x-1, z=binomial(x, y); p=omega(z); f=Vec(factor(z)); z1=f[1][p]; print1(z1", ") ); ) } CROSSREFS Sequence in context: A218774 A270824 A048198 * A182128 A131294 A276869 Adjacent sequences:  A096003 A096004 A096005 * A096007 A096008 A096009 KEYWORD easy,nonn AUTHOR Cino Hilliard, Jul 25 2004 STATUS approved

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Last modified May 28 04:49 EDT 2020. Contains 334671 sequences. (Running on oeis4.)