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Search: id:A081854
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A081854 (8*n-3)*(4*n-1)*(8*n^2-5*n+1). +0
2
3, 60, 2093, 13398, 47415, 123728, 268065, 512298, 894443, 1458660, 2255253, 3340670, 4777503, 6634488, 8986505, 11914578, 15505875, 19853708, 25057533, 31222950, 38461703, 46891680, 56636913, 67827578, 80599995, 95096628, 111466085, 129863118, 150448623 (list; graph; listen)
OFFSET

0,1

LINKS

J. C. Lagarias and N. J. A. Sloane, Approximate squaring (pdf, ps), Experimental Math., 13 (2004), 113-128.

FORMULA

G.f.: (60 + 1793*x + 3533*x^2 + 755*x^3 + 3*x^4)/(1-x)^5.

CROSSREFS

Value of A081853 when started at b(0) with 2*b(0) == 5 (mod 8).

Sequence in context: A065889 A001084 A137150 this_sequence A085990 A036770 A006821

Adjacent sequences: A081851 A081852 A081853 this_sequence A081855 A081856 A081857

KEYWORD

nonn

AUTHOR

njas, Apr 13 2003

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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