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A080962 5th binomial transform of the periodic sequence (1,6,1,1,6,1...). +0
3
1, 11, 86, 596, 3896, 24656, 153056, 938816, 5714816, 34616576, 209010176, 1259303936, 7576795136, 45544656896, 273603485696, 1642963091456, 9863147257856, 59200358383616, 355288049647616, 2132071895269376 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=6*a(n-1)+5*4^(n-1) a(n)=(7/2)*6^n-(5/2)*4^n

CROSSREFS

Cf. A080960, A080961, A081033.

Sequence in context: A082365 A012794 A014917 this_sequence A016222 A081013 A119383

Adjacent sequences: A080959 A080960 A080961 this_sequence A080963 A080964 A080965

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Mar 03 2003

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.


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