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Search: id:A097814
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| 1, 6, 45, 432, 5265, 79218, 1426653, 29961900, 719092161, 19415508030, 582465299949, 19221355075464, 691968783248145, 26986782548271978, 1133444867032206045, 51005019016463620932, 2448240912790296851457
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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Michael Z. Spivey and Laura L. Steil, The k-Binomial Transforms and the Hankel Transform, Journal of Integer Sequences, Vol. 9 (2006), Article 06.1.1.
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FORMULA
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a(n)=3n*a(n-1)+3^n, n>0, a(0)=1; a(n)=3^n*A000522(n).
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CROSSREFS
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Cf. A082032.
Sequence in context: A137974 A001879 A019577 this_sequence A084064 A109516 A078865
Adjacent sequences: A097811 A097812 A097813 this_sequence A097815 A097816 A097817
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KEYWORD
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easy,nonn
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Aug 26 2004
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