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A061788 Sum_{k=1..n} (2k)^(2k). 1
4, 260, 46916, 16824132, 10016824132, 8926117272388, 11120932942830404, 18457865006652382020, 39364865940303189957444, 104896964865940303189957444, 341532774329085497699836681028 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n=1,...,100

EXAMPLE

a(3) = 2^2 + 4^4 + 6^6 = 46916

PROG

(PARI) { a=n=0; forstep (p=2, 200, 2, write("b061788.txt", n++, " ", a+=p^p) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 28 2009]

CROSSREFS

Sequence in context: A116967 A003382 A112982 * A203839 A052136 A089667

Adjacent sequences:  A061785 A061786 A061787 * A061789 A061790 A061791

KEYWORD

nonn,easy

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 25 2001

EXTENSIONS

More terms from Jason Earls (zevi_35711(AT)yahoo.com), May 26 2001

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.