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A008506 12-dimensional centered tetrahedral numbers. +0
1
1, 14, 105, 560, 2380, 8568, 27132, 77520, 203490, 497420, 1144066, 2496144, 5200300, 10400599, 20058286, 37442055, 67863355, 119757470, 206244507, 347346468, 573088920, 927780270, 1475840380 (list; graph; listen)
OFFSET

0,2

LINKS

Milan Janjic, Two Enumerative Functions

FORMULA

Expansion of (1-x^13 )/(1-x)^14.

CROSSREFS

Sequence in context: A131709 A139614 A068390 this_sequence A010966 A022579 A061179

Adjacent sequences: A008503 A008504 A008505 this_sequence A008507 A008508 A008509

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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