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A186977 Number of ordered sextuples of distinct pairwise coprime positive integers with largest element n. 4

%I #7 Mar 30 2012 17:37:34

%S 6,0,33,2,3,12,157,6,400,36,76,46,1076,56,866,186,746,216,3880,56,

%T 6449,1568,1561,1022,2406,448,14767,2023,3465,1260,25860,672,37110,

%U 4986,5577,5850,58971,3212,45142,6402,18557,10857,110863,6006,39937

%N Number of ordered sextuples of distinct pairwise coprime positive integers with largest element n.

%H Alois P. Heinz, <a href="/A186977/b186977.txt">Table of n, a(n) for n = 11..200</a>

%e a(14) = 2 because there are 2 ordered sextuples of distinct pairwise coprime positive integers with largest element 14: (1,3,5,11,13,14), (1,5,9,11,13,14).

%Y Column 6 of triangle A186972. First differences of A186982.

%K nonn

%O 11,1

%A _Alois P. Heinz_, Mar 02 2011

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)