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A085741
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T(n)^n, where T() are the triangular numbers (A000217).
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1
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1, 1, 9, 216, 10000, 759375, 85766121, 13492928512, 2821109907456, 756680642578125, 253295162119140625, 103510234140112521216, 50714860157241037295616, 29345269354638035222576971
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..200
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FORMULA
| a(n) = ((n*(n+1))/2)^n. - Vincenzo Librandi, Sep 14 2011
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EXAMPLE
| a(3) = T(3)^3 = 6^3 = 216.
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MAPLE
| a:=n->mul(sum(j, j=1..n), k=1..n): seq(a(n), n=0..13); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 02 2007
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PROG
| (PARI) for(n=0, 10, print1(t(n)^n", "))
(MAGMA) [((n*(n+1))/2)^n: n in [0..20]]; // Vincenzo Librandi, Sep 14 2011
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CROSSREFS
| Cf. A000217.
Essentially the same as A061718.
Sequence in context: A064633 A084942 A061718 * A152288 A179153 A197669
Adjacent sequences: A085738 A085739 A085740 * A085742 A085743 A085744
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KEYWORD
| nonn,easy
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AUTHOR
| Jon Perry (perry(AT)globalnet.co.uk), Jul 21 2003
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EXTENSIONS
| More terms from Ray Chandler, Nov 09 2003
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