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A326555
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a(n) = (2^n + 3^n)^n for n>= 0.
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0
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1, 5, 169, 42875, 88529281, 1572763671875, 248679006649044049, 356333757516508153671875, 4663869092837765297703279248641, 558720643076358108093837582958513671875, 612058887069969285456490153219530731912451357649, 6117651922857367443605981033627635368555142419249951171875, 556511030566224080586773690363350894350192064787062589546222802473281
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = Sum_{k=0..n} binomial(n,k) * 2^(n*k) * 3^(n*(n-k)) for n >= 0.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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