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A186977 Number of ordered sextuples of distinct pairwise coprime positive integers with largest element n. 4
6, 0, 33, 2, 3, 12, 157, 6, 400, 36, 76, 46, 1076, 56, 866, 186, 746, 216, 3880, 56, 6449, 1568, 1561, 1022, 2406, 448, 14767, 2023, 3465, 1260, 25860, 672, 37110, 4986, 5577, 5850, 58971, 3212, 45142, 6402, 18557, 10857, 110863, 6006, 39937 (list; graph; refs; listen; history; text; internal format)
OFFSET

11,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 11..200

EXAMPLE

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).

CROSSREFS

Column 6 of triangle A186972. First differences of A186982.

Sequence in context: A249869 A209446 A047762 * A167316 A270607 A051768

Adjacent sequences:  A186974 A186975 A186976 * A186978 A186979 A186980

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 02 2011

STATUS

approved

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Last modified January 21 19:52 EST 2019. Contains 319350 sequences. (Running on oeis4.)