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A117652 A052472 for half integer values as might be found in fractal dimensional tensors. +0
1
0, 0, 1, 1, 2, 1, 0, 3, 10, 20, 35, 55, 84, 120, 168, 227, 300, 388, 495, 621, 770, 943, 1144, 1374, 1638, 1937, 2275, 2654, 3080, 3553, 4080, 4662, 5304, 6009, 6783, 7628, 8550, 9552, 10640, 11817, 13090, 14462, 15939, 17525, 19228, 21050, 23000, 25081 (list; graph; listen)
OFFSET

0,5

COMMENT

Compare Magic numbers (A018226) 2, 8, 20, 28, 50, 82, 126, 168 to 3, 10, 20, 35, 55, 84, 120, 168

FORMULA

A052472[n]=n*(n + 1)*(n + 2)*(n - 3)/12 a(n) = Abs[Floor[A0542472[n]]]

MATHEMATICA

f[n_] = n*(n + 1)*(n + 2)*(n - 3)/12 a = Table[Floor[Abs[f[n]]], {n, 0, 25, 1/2}]

CROSSREFS

Cf. A052472, A018226.

Sequence in context: A059297 A077874 A090683 this_sequence A095859 A088850 A143424

Adjacent sequences: A117649 A117650 A117651 this_sequence A117653 A117654 A117655

KEYWORD

nonn,uned,probation

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Apr 11 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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