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A077397
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Expansion of (1+31x-2x^2-2x^3)/(1-16x^2+x^4).
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1
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1, 31, 14, 494, 223, 7873, 3554, 125474, 56641, 1999711, 902702, 31869902, 14386591, 507918721, 229282754, 8094829634, 3654137473, 129009355423, 58236916814, 2056054857134, 928136531551, 32767868358721, 14791947588002, 522229838882402, 235743024876481
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| b(2n+4)=16*b(2n+2)-b(2n) b(0)=1 b(2)=14 b(2n+5)=16*b(2n+3)-b(2n+1) b(1)=31 b(3)=494
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MATHEMATICA
| CoefficientList[Series[(1+31x-2x^2-2x^3)/ (1-16x^2+x^4), {x, 0, 40}], x] (* From Harvey P. Dale, Mar 25 2011 *)
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CROSSREFS
| Used for calculating the values in A077398
Sequence in context: A065821 A040934 A107114 * A040933 A033351 A066434
Adjacent sequences: A077394 A077395 A077396 * A077398 A077399 A077400
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KEYWORD
| easy,nonn
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AUTHOR
| Bruce Corrigan (scentman(AT)myfamily.com), Nov 05 2002
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EXTENSIONS
| More terms from Harvey P. Dale, Mar 25 2011.
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