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Search: id:A062023
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| A062023 |
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a(n) = {n^(n+1)+n^(n-1)}/2. |
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+0
1
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| 1, 5, 45, 544, 8125, 143856, 2941225, 68157440, 1764915561, 50500000000, 1582182900661, 53868106874880, 1980337235410885, 78180905165533184, 3298800640869140625, 148150413341979836416, 7055872821971695929745
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,100
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EXAMPLE
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a(3) = {3^4 +3^2}/2 = 45.
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PROGRAM
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(PARI) { for (n=1, 100, write("b062023.txt", n, " ", (n^(n + 1) + n^(n - 1))/2) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 29 2009]
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CROSSREFS
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Sequence in context: A130976 A151831 A133305 this_sequence A084095 A121414 A097328
Adjacent sequences: A062020 A062021 A062022 this_sequence A062024 A062025 A062026
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KEYWORD
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nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 02 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Jun 06 2001
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