

A111642


Expansion of 2*(x1)*(x+1)/((x^2+4*x+1)*(x^22*x1)).


6



2, 12, 54, 224, 890, 3452, 13198, 50016, 188498, 707916, 2652678, 9925760, 37105802, 138631292, 517742494, 1933118784, 7216615970, 26937891852, 100545928278, 375272321696, 1400607336218, 5227311479036, 19509011469358, 72809634633120, 271731700422002
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OFFSET

0,1


COMMENTS

In reference to the program code, the sequence of Pell numbers A000126 is given by 1kbaseseq[C*J]. A001353 is 1ibaseiseq[C*J].


LINKS

Table of n, a(n) for n=0..24.


PROG

Floretion Algebra Multiplication Program, FAMP Code: 1ibaseseq[C*J] with C =  'j + 'k  j' + k'  'ii'  'ij'  'ik'  'ji'  'ki' and J = + j' + k' + 1.5'ii' + .5'jj' + .5'kk' + .5e


CROSSREFS

Cf. A111639, A111640, A111641, A111643, A111644, A000126.
Sequence in context: A242513 A006738 A212697 * A145766 A181765 A198150
Adjacent sequences: A111639 A111640 A111641 * A111643 A111644 A111645


KEYWORD

easy,sign


AUTHOR

Creighton Dement, Aug 10 2005


STATUS

approved



