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Search: id:A083426
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A083426 (4*7^n+2^n)/5. +0
1
1, 6, 40, 276, 1924, 13452, 94132, 658860, 4611892, 32282988, 225980404, 1581861804, 11073030580, 77511209964, 542578461556, 3798049214508, 26586344468788, 186104411215980, 1302730878380788, 9119116148403372 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform of A083066

FORMULA

a(n)=(4*7^n+2^n)/5 G.f. (1-3x)/((1-2x)(1-7x)) E.g.f. (4exp(7x)+exp(2x))/5

CROSSREFS

Adjacent sequences: A083423 A083424 A083425 this_sequence A083427 A083428 A083429

Sequence in context: A122074 A123357 A081016 this_sequence A122471 A090041 A069720

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 30 2003

page 1

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.


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