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A295448
a(n) = (18*n)!*(3*n)!*(2*n)!/((9*n)!*(7*n)!*(6*n)!*n!).
1
1, 58344, 12021607800, 2822244125414280, 700261879438261335160, 179189518952510712859732344, 46764098183514722386761235104408, 12372233944479031609487359517835891000, 3306338458421450496220314582388757069245560, 890410398621683112497449813467376431287399918400
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..9.
FORMULA
G.f.: hypergeom([1/18, 5/18, 7/18, 1/2, 11/18, 13/18, 17/18], [1/7, 2/7, 3/7, 4/7, 5/7, 6/7], 235092492288/823543*x).
CROSSREFS
Cf.
A295431
.
Sequence in context:
A237402
A210106
A227496
*
A220987
A273318
A230576
Adjacent sequences:
A295445
A295446
A295447
*
A295449
A295450
A295451
KEYWORD
nonn
AUTHOR
Gheorghe Coserea
, Nov 27 2017
STATUS
approved
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Last modified August 27 01:48 EDT 2024. Contains 375462 sequences. (Running on oeis4.)