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A008503
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9-dimensional centered tetrahedral numbers.
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0
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1, 11, 66, 286, 1001, 3003, 8008, 19448, 43758, 92378, 184755, 352705, 646580, 1143780, 1960255, 3265757, 5303727, 8416837, 13079352, 19937632, 29860259, 43999449, 63865594, 91416974
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (10,-45,120,-210,252,-210,120,-45,10,-1).
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FORMULA
| Expansion of (1-x^10 )/(1-x)^11 = (1+x)*(1+x+x^2+x^3+x^4)*(x^4-x^3+x^2-x+1) / ( (x-1)^10.
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CROSSREFS
| Sequence in context: A154617 A063842 A162628 * A008493 A001287 A022576
Adjacent sequences: A008500 A008501 A008502 * A008504 A008505 A008506
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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