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A326555 a(n) = (2^n + 3^n)^n for n>= 0. 0
1, 5, 169, 42875, 88529281, 1572763671875, 248679006649044049, 356333757516508153671875, 4663869092837765297703279248641, 558720643076358108093837582958513671875, 612058887069969285456490153219530731912451357649, 6117651922857367443605981033627635368555142419249951171875, 556511030566224080586773690363350894350192064787062589546222802473281 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) = Sum_{k=0..n} binomial(n,k) * 2^(n*k) * 3^(n*(n-k)) for n >= 0.
CROSSREFS
Sequence in context: A316709 A293953 A264013 * A279382 A157234 A231279
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jul 13 2019
STATUS
approved

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Last modified June 19 00:22 EDT 2024. Contains 373492 sequences. (Running on oeis4.)