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Search: id:A126574
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A126574 a(n) = product of terms in n-th row of triangle A126571. +0
2
1, 6, 60, 980, 17010, 691152, 14385280, 553311000, 20549850750, 1183631840160, 40862208651264, 3546593581385400, 146387176845000000, 11600430026834880000, 876804182167691796480, 71417792752792726589856 (list; graph; listen)
OFFSET

1,2

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

MATHEMATICA

f[m_, n_] := Block[{k = 0, c = n}, While[c > 0, k++; While[GCD[k, m] > 1, k++ ]; c--; ]; k]; Table[Product[f[m, n], {m, n}], {n, 17}] (*Chandler*)

CROSSREFS

Cf. A126571, A126573.

Sequence in context: A010040 A138379 A064815 this_sequence A061573 A092356 A001416

Adjacent sequences: A126571 A126572 A126573 this_sequence A126575 A126576 A126577

KEYWORD

nonn

AUTHOR

Leroy Quet Dec 28 2006

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 29 2006

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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